{"artifacts":{"doi:10.1016/j.jallcom.2004.02.012/p1/text-08":{"artifact":"text_passage","label":"page 1, passage 8","page":1},"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1":{"artifact":"table","caption":"Experimental data of the Eu–Sn binary system","label":"1","page":2},"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4":{"artifact":"table","caption":"Invariant reactions in the Eu–Sn system","label":"4","page":4}},"cite_as":{"also_cite":["the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work)"],"bibtex":"@misc{orchid_literature_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23735569},\n  url       = {https://doi.org/10.5281/zenodo.23735569},\n  note      = {Version 1, machine-extracted}\n}","dataset":"literature","doi":"10.5281/zenodo.23735569","license":"CC-BY-4.0","part_of":{"bibtex":"@misc{orchid_data_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23736065},\n  url       = {https://doi.org/10.5281/zenodo.23736065},\n  note      = {Version 1, machine-extracted}\n}","doi":"10.5281/zenodo.23736065","text":"R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23736065","title":"ORCHID data: umbrella record of the ORCHID datasets","url":"https://doi.org/10.5281/zenodo.23736065"},"release_tag":"v2026.10","status":"Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.","text":"R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23735569","title":"ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature","url":"https://doi.org/10.5281/zenodo.23735569","version":"2026.10"},"contexts":{},"elements":["EU","SN"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{"M46a2a139":{"catalog_entry":{"license":"CC BY 4.0","name":"EuSn-04Liu-LB.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"L. Liu, C. Li, F. Wang, Z. Du, W. Zhang, J. Alloys Compd., 379, 148-53(2004).","model_doi":"10.1016/j.jallcom.2004.02.012","reproduced_by_calculation":true,"tdb":"EuSn-04Liu-LB.tdb","tdb_path":"databases/sgte-binary/EuSn-04Liu-LB.tdb","tdb_sha256":"f031ab43145b765a66378730168ac32226d14c335a4d9a1b8983aa3cdb198fe8"},"M961d5057":{"catalog_entry":{"license":"CC BY 4.0","name":"EuSn-04Liu-LB.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"L. Liu, C. Li, F. Wang, Z. Du, W. Zhang, J. Alloys Compd., 379, 148-53(2004).","model_doi":"10.1016/j.jallcom.2004.02.012","reproduced_by_calculation":false,"tdb":"EuSn-04Liu-LB.tdb","tdb_path":"databases/sgte-binary/EuSn-04Liu-LB.tdb","tdb_sha256":"f031ab43145b765a66378730168ac32226d14c335a4d9a1b8983aa3cdb198fe8"}},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1016/j.jallcom.2004.02.012":{"authors":["Lihui Liu","Changrong Li","Fuming Wang","Zhenmin Du","Weijing Zhang"],"citation":"Lihui Liu, Changrong Li, Fuming Wang, Zhenmin Du, Weijing Zhang, Thermodynamic assessment of the Eu–Sn system, Journal of Alloys and Compounds 379, 148-153 (2004).","container":"Journal of Alloys and Compounds","doi":"10.1016/j.jallcom.2004.02.012","doi_url":"https://doi.org/10.1016/j.jallcom.2004.02.012","id":"doi:10.1016/j.jallcom.2004.02.012","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"4d2beefc7efc1465","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic assessment of the Eu–Sn system","year":2004},"doi:10.1016/s0925-8388(96)02402-4":{"authors":["A. Palenzona","P. Manfrinetti","R. Palenzona"],"citation":"A. Palenzona, P. Manfrinetti, R. Palenzona, A reinvestigation of the ScIn system and related (Tm,Lu)In compounds, Journal of Alloys and Compounds 243, 182-185 (1996).","container":"Journal of Alloys and Compounds","doi":"10.1016/s0925-8388(96)02402-4","doi_url":"https://doi.org/10.1016/s0925-8388(96)02402-4","id":"doi:10.1016/s0925-8388(96)02402-4","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"A reinvestigation of the ScIn system and related (Tm,Lu)In compounds","year":1996},"ref:ac7573e7c99c4c3e":{"citation":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","id":"ref:ac7573e7c99c4c3e","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"]}},"part":1,"parts":1,"records":[{"chemical_system":"EU-SN","cited_sources":[{"doi":"10.1016/s0925-8388(96)02402-4","first_author":"Palenzona","kind":"unknown","label":"10","paper":"doi:10.1016/s0925-8388(96)02402-4","reference":"A. Palenzona, P. Manfrinetti, R. Palenzona, J. Alloys Comp. 243 (1996) 182.","status":"resolved","year":"1996"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-MEKWOH6DTB","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1","row":1},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"EU":0.25,"SN":0.75},"composition_source":"stoichiometric_model_phase","phase":"EuSn3"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"EuSn3","model_phase":"EUSN3_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"},{"label":"(bct)Sn","model_phase":"BCT_A5","pearson_symbol":"tI4","prototype":"beta-Sn","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1/r01#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> EuSn3 + (bct)Sn","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":503.0,"temperature_printed":"503 K","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":503.0},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-Q6FGNBJLM5","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1","row":2},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SN":0.74},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"EU":0.375,"SN":0.625},"composition_source":"stoichiometric_model_phase","phase":"Eu3Sn5"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"EU":0.25,"SN":0.75},"composition_source":"stoichiometric_model_phase","phase":"EuSn3"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Eu3Sn5","model_phase":"EU3SN5","pearson_symbol":"oC32","prototype":"Pd5Pu3","structure_basis":"mapped_model_phase"},{"label":"EuSn3","model_phase":"EUSN3_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1/r02#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> Eu3Sn5 + EuSn3","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1058.0,"temperature_printed":"1058 K","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1058.0},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-C26GLHMWXW","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SN":0.44},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"EU":0.625,"SN":0.375},"composition_source":"stoichiometric_model_phase","phase":"Eu5Sn3"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"EU":0.5,"SN":0.5},"composition_source":"stoichiometric_model_phase","phase":"EuSn"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Eu5Sn3","model_phase":"EU5SN3_D8M","pearson_symbol":"tI32","prototype":"Si3W5","structure_basis":"mapped_model_phase"},{"label":"EuSn","model_phase":"EUSN_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1/r03#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> Eu5Sn3 + EuSn","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1348.0,"temperature_printed":"1348 K","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1348.0},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-P6UTRZVFKY","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1","row":4},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SN":0.05},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"EU":0.666667,"SN":0.333333},"composition_source":"stoichiometric_model_phase","phase":"Eu2Sn"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Eu2Sn","model_phase":"EU2SN_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"(bcc)Eu","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1/r04#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> Eu2Sn + (bcc)Eu","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1063.0,"temperature_printed":"1063 K","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1063.0},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-2QXNBBICW2","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1","row":5},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SN":0.62},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"EU":0.5,"SN":0.5},"composition_source":"stoichiometric_model_phase","phase":"EuSn"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"EU":0.375,"SN":0.625},"composition_source":"stoichiometric_model_phase","phase":"Eu3Sn5"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"EuSn","model_phase":"EUSN_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Eu3Sn5","model_phase":"EU3SN5","pearson_symbol":"oC32","prototype":"Pd5Pu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1/r05#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid + EuSn -> Eu3Sn5","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1173.0,"temperature_printed":"1173 K","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1173.0},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-HEX3VCHY6Z","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1","row":6},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SN":0.375},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"EU":0.666667,"SN":0.333333},"composition_source":"stoichiometric_model_phase","phase":"Eu2Sn"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"EU":0.625,"SN":0.375},"composition_source":"stoichiometric_model_phase","phase":"Eu5Sn3"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Eu2Sn","model_phase":"EU2SN_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"Eu5Sn3","model_phase":"EU5SN3_D8M","pearson_symbol":"tI32","prototype":"Si3W5","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p2/tab-1/r06#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid + Eu2Sn -> Eu5Sn3","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1398.0,"temperature_printed":"1398 K","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1398.0},{"chemical_system":"EU-SN","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-ELSMAUEQWH","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":10},"model":"M961d5057","observation_type":"phase_transition","origin":{"basis":"this_work_uncited_beside_cited_rows+title_modelling","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2004.02.012","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.5},"composition_source":"stoichiometry","phase":"EuSn"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"EuSn","mapping_confidence":"confirmed","model_phase":"EUSN_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-0923aece#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"Liquid -> EuSn"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1395,"temperature_printed":"1395","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1395},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":1.417,"dx":{"L":0.0065},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-QURZJ6Q4W4","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":17},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.998},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.75},"composition_source":"stoichiometry","phase":"EuSn3"},{"basis":"mole_fraction","composition":{"SN":1.0},"composition_source":"stoichiometric_model_phase","phase":"Sn(bct)"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"EuSn3","mapping_confidence":"confirmed","model_phase":"EUSN3_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"},{"label":"Sn(bct)","mapping_confidence":"confirmed","model_phase":"BCT_A5","pearson_symbol":"tI4","prototype":"beta-Sn","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-12c189b9#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> EuSn3 + Sn(bct)","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":503,"temperature_printed":"503","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":503},{"chemical_system":"EU-SN","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":0.023,"dx":{"L":-0.0},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-DOXEWNYKZ7","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":12},"model":"M46a2a139","observation_type":"invariant_reaction","origin":{"basis":"this_work_uncited_beside_cited_rows+title_modelling","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2004.02.012","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.6255},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.5},"composition_source":"stoichiometry","phase":"EuSn"},{"basis":"mole_fraction","composition":{"SN":0.625},"composition_source":"stoichiometry","phase":"Eu3Sn5"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"EuSn","mapping_confidence":"confirmed","model_phase":"EUSN_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Eu3Sn5","mapping_confidence":"confirmed","model_phase":"EU3SN5","pearson_symbol":"oC32","prototype":"Pd5Pu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-15d539fe#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid + EuSn -> Eu3Sn5"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1171,"temperature_printed":"1171","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1171},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":0.039,"dx":{"L":-0.0041},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-CEPWHRVJ22","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":1},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.05},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.3333333333},"composition_source":"stoichiometry","phase":"Eu2Sn"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Eu2Sn","mapping_confidence":"confirmed","model_phase":"EU2SN_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"Eu(bcc)","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-2fba6599#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> Eu2Sn + Eu(bcc)","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1063,"temperature_printed":"1063","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1063},{"chemical_system":"EU-SN","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.017,"dx":{"L":0.0},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-JXVJOCUU75","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":6},"model":"M46a2a139","observation_type":"invariant_reaction","origin":{"basis":"this_work_uncited_beside_cited_rows+title_modelling","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2004.02.012","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.4296},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.3333333333},"composition_source":"stoichiometry","phase":"Eu2Sn"},{"basis":"mole_fraction","composition":{"SN":0.375},"composition_source":"stoichiometry","phase":"Eu5Sn3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Eu2Sn","mapping_confidence":"confirmed","model_phase":"EU2SN_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"Eu5Sn3","mapping_confidence":"confirmed","model_phase":"EU5SN3_D8M","pearson_symbol":"tI32","prototype":"Si3W5","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-349564ce#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid + Eu2Sn -> Eu5Sn3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1396,"temperature_printed":"1396","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1396},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-PVIOS72G73","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":3},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.3333},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.3333333333},"composition_source":"stoichiometry","phase":"Eu2Sn"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Eu2Sn","mapping_confidence":"confirmed","model_phase":"EU2SN_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-37bdce12#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"Liquid -> Eu2Sn"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1628,"temperature_printed":"1628","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1628},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":2.023,"dx":{"L":-0.0055},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-3UDUKXOCCZ","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":11},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.62},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.5},"composition_source":"stoichiometry","phase":"EuSn"},{"basis":"mole_fraction","composition":{"SN":0.625},"composition_source":"stoichiometry","phase":"Eu3Sn5"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"EuSn","mapping_confidence":"confirmed","model_phase":"EUSN_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Eu3Sn5","mapping_confidence":"confirmed","model_phase":"EU3SN5","pearson_symbol":"oC32","prototype":"Pd5Pu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-44ad7e08#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid + EuSn -> Eu3Sn5"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1173,"temperature_printed":"1173","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1173},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-8.075,"dx":{"L":-0.0052},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-QEXO2TZHTD","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":7},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.44},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.375},"composition_source":"stoichiometry","phase":"Eu5Sn3"},{"basis":"mole_fraction","composition":{"SN":0.5},"composition_source":"stoichiometry","phase":"EuSn"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Eu5Sn3","mapping_confidence":"confirmed","model_phase":"EU5SN3_D8M","pearson_symbol":"tI32","prototype":"Si3W5","structure_basis":"mapped_model_phase"},{"label":"EuSn","mapping_confidence":"confirmed","model_phase":"EUSN_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-69e1f226#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> Eu5Sn3 + EuSn","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1348,"temperature_printed":"1348","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1348},{"chemical_system":"EU-SN","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":0.039,"dx":{"L":-0.0001},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-VADPLBLK76","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":2},"model":"M46a2a139","observation_type":"invariant_reaction","origin":{"basis":"this_work_uncited_beside_cited_rows+title_modelling","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2004.02.012","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.054},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.3333333333},"composition_source":"stoichiometry","phase":"Eu2Sn"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Eu2Sn","mapping_confidence":"confirmed","model_phase":"EU2SN_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"Eu(bcc)","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-6d2a6f37#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> Eu2Sn + Eu(bcc)","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1063,"temperature_printed":"1063","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1063},{"chemical_system":"EU-SN","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.304,"dx":{"L":-0.0},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-UNUMQVBYPW","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":14},"model":"M46a2a139","observation_type":"invariant_reaction","origin":{"basis":"this_work_uncited_beside_cited_rows+title_modelling","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2004.02.012","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.7194},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.625},"composition_source":"stoichiometry","phase":"Eu3Sn5"},{"basis":"mole_fraction","composition":{"SN":0.75},"composition_source":"stoichiometry","phase":"EuSn3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Eu3Sn5","mapping_confidence":"confirmed","model_phase":"EU3SN5","pearson_symbol":"oC32","prototype":"Pd5Pu3","structure_basis":"mapped_model_phase"},{"label":"EuSn3","mapping_confidence":"confirmed","model_phase":"EUSN3_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-7b580096#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> Eu3Sn5 + EuSn3","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1060,"temperature_printed":"1060","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1060},{"chemical_system":"EU-SN","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-5JW4FSNWP4","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":16},"model":"M961d5057","observation_type":"phase_transition","origin":{"basis":"this_work_uncited_beside_cited_rows+title_modelling","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2004.02.012","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.75},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.75},"composition_source":"stoichiometry","phase":"EuSn3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"EuSn3","mapping_confidence":"confirmed","model_phase":"EUSN3_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-9d21926a#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"Liquid -> EuSn3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1069,"temperature_printed":"1069","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1069},{"chemical_system":"EU-SN","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-UOFK2DMPQA","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":4},"model":"M961d5057","observation_type":"phase_transition","origin":{"basis":"this_work_uncited_beside_cited_rows+title_modelling","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2004.02.012","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.3333},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.3333333333},"composition_source":"stoichiometry","phase":"Eu2Sn"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Eu2Sn","mapping_confidence":"confirmed","model_phase":"EU2SN_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-a1f005fc#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"Liquid -> Eu2Sn"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1628,"temperature_printed":"1628","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1628},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-AJVUFR4IIW","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":9},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.5},"composition_source":"stoichiometry","phase":"EuSn"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"EuSn","mapping_confidence":"confirmed","model_phase":"EUSN_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-a48be94d#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"Liquid -> EuSn"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1398,"temperature_printed":"1398","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1398},{"chemical_system":"EU-SN","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":0.017,"dx":{"L":-0.0},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-3ANARRSUPQ","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":18},"model":"M46a2a139","observation_type":"invariant_reaction","origin":{"basis":"this_work_uncited_beside_cited_rows+title_modelling","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2004.02.012","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.9915},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.75},"composition_source":"stoichiometry","phase":"EuSn3"},{"basis":"mole_fraction","composition":{"SN":1.0},"composition_source":"stoichiometric_model_phase","phase":"Sn(bct)"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"EuSn3","mapping_confidence":"confirmed","model_phase":"EUSN3_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"},{"label":"Sn(bct)","mapping_confidence":"confirmed","model_phase":"BCT_A5","pearson_symbol":"tI4","prototype":"beta-Sn","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-b0428a65#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> EuSn3 + Sn(bct)","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":501.6,"temperature_printed":"501.6","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":501.6},{"chemical_system":"EU-SN","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.075,"dx":{"L":-0.0},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-M5EB5ANMRQ","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":8},"model":"M46a2a139","observation_type":"invariant_reaction","origin":{"basis":"this_work_uncited_beside_cited_rows+title_modelling","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2004.02.012","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.4452},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.375},"composition_source":"stoichiometry","phase":"Eu5Sn3"},{"basis":"mole_fraction","composition":{"SN":0.5},"composition_source":"stoichiometry","phase":"EuSn"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Eu5Sn3","mapping_confidence":"confirmed","model_phase":"EU5SN3_D8M","pearson_symbol":"tI32","prototype":"Si3W5","structure_basis":"mapped_model_phase"},{"label":"EuSn","mapping_confidence":"confirmed","model_phase":"EUSN_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-b2430222#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> Eu5Sn3 + EuSn","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1356,"temperature_printed":"1356","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1356},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":1.983,"dx":{"L":-0.0106},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-QQH33KY63W","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":5},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.419},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.3333333333},"composition_source":"stoichiometry","phase":"Eu2Sn"},{"basis":"mole_fraction","composition":{"SN":0.375},"composition_source":"stoichiometry","phase":"Eu5Sn3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Eu2Sn","mapping_confidence":"confirmed","model_phase":"EU2SN_C37","pearson_symbol":"oP12","prototype":"Co2Si","structure_basis":"mapped_model_phase"},{"label":"Eu5Sn3","mapping_confidence":"confirmed","model_phase":"EU5SN3_D8M","pearson_symbol":"tI32","prototype":"Si3W5","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-b57cdd4c#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid + Eu2Sn -> Eu5Sn3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1398,"temperature_printed":"1398","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1398},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-2.304,"dx":{"L":0.0106},"model":"EuSn-04Liu-LB.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-4IVMMUMMUR","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":13},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.73},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.625},"composition_source":"stoichiometry","phase":"Eu3Sn5"},{"basis":"mole_fraction","composition":{"SN":0.75},"composition_source":"stoichiometry","phase":"EuSn3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Eu3Sn5","mapping_confidence":"confirmed","model_phase":"EU3SN5","pearson_symbol":"oC32","prototype":"Pd5Pu3","structure_basis":"mapped_model_phase"},{"label":"EuSn3","mapping_confidence":"confirmed","model_phase":"EUSN3_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-bfa3ab69#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Liquid -> Eu3Sn5 + EuSn3","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1058,"temperature_printed":"1058","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1058},{"chemical_system":"EU-SN","cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-MPJBOVKZW3","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4","row":15},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"ref:ac7573e7c99c4c3e","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","phase_compositions":[{"basis":"mole_fraction","composition":{"SN":0.75},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"SN":0.75},"composition_source":"stoichiometry","phase":"EuSn3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"EuSn3","mapping_confidence":"confirmed","model_phase":"EUSN3_L12","pearson_symbol":"cP4","prototype":"AuCu3","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2004.02.012/p4/tab-4/r-unplaced-c49a81af#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"Liquid -> EuSn3"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"EU-SN","system":"EU-SN","temperature_K":1068,"temperature_printed":"1068","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1068},{"chemical_system":"EU-SN","citations_printed":["[7]"],"cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-PYT7XYG3VE.9fe42a","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"model_value","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","pid":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08/s15#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"Two peritectic reactions exist in the Eu-Sn system at temperatures of 1173 and 1398 K, respectively.","quote_page":1,"reaction":{"type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"EU-SN","system":"EU-SN","temperature_K":1173.0,"temperature_printed":"1173","tool_release":"release v2 + tools dev copy record build","transition_kind":"peritectic","transition_kind_printed":"peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1173.0},{"chemical_system":"EU-SN","citations_printed":["[7]"],"cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-PYT7XYG3VE.fab74a","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"model_value","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","pid":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08/s15#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"Two peritectic reactions exist in the Eu-Sn system at temperatures of 1173 and 1398 K, respectively.","quote_page":1,"reaction":{"type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"EU-SN","system":"EU-SN","temperature_K":1398.0,"temperature_printed":"1398","tool_release":"release v2 + tools dev copy record build","transition_kind":"peritectic","transition_kind_printed":"peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1398.0},{"chemical_system":"EU-SN","citations_printed":["[7]"],"cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-C3ZQZ4GDF4.64bc08","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"model_value","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","pid":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08/s16#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"And four eutectic points occur at: 5 at.% Sn, 1063 K; 44 at.% Sn, 1348 K; 74 at.% Sn, 1058 K; and less than 1 at.% Eu, 503 K.","quote_page":1,"reaction":{"type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"EU-SN","system":"EU-SN","temperature_K":1063.0,"temperature_printed":"1063","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1063.0},{"chemical_system":"EU-SN","citations_printed":["[7]"],"cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-C3ZQZ4GDF4.bf7e28","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"model_value","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","pid":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08/s16#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"And four eutectic points occur at: 5 at.% Sn, 1063 K; 44 at.% Sn, 1348 K; 74 at.% Sn, 1058 K; and less than 1 at.% Eu, 503 K.","quote_page":1,"reaction":{"type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"EU-SN","system":"EU-SN","temperature_K":503.0,"temperature_printed":"503","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":503.0},{"chemical_system":"EU-SN","citations_printed":["[7]"],"cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-C3ZQZ4GDF4.cb3a47","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"model_value","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","pid":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08/s16#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"And four eutectic points occur at: 5 at.% Sn, 1063 K; 44 at.% Sn, 1348 K; 74 at.% Sn, 1058 K; and less than 1 at.% Eu, 503 K.","quote_page":1,"reaction":{"type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"EU-SN","system":"EU-SN","temperature_K":1058.0,"temperature_printed":"1058","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1058.0},{"chemical_system":"EU-SN","citations_printed":["[7]"],"cited_sources":[{"first_author":"Conclusions","kind":"assessment","label":"7","reference":"Conclusions All of the experimental phase equilibria and thermodynamic data of the Eu–Sn system from the available literature have been critically evaluated. Within the regime of CALPHAD technique, the thermodynamic models for all the solution phases and the intermetallic compounds are selected and the Gibbs energy functions are optimized. A set of consistent thermodynamic parameters for the Eu–Sn","status":"resolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":3,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-C3ZQZ4GDF4.cd2a14","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08"},"observation_type":"phase_transition","origin":{"class":"model_value","measured_in":"ref:ac7573e7c99c4c3e","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.02.012","paper_id":"doi:10.1016/j.jallcom.2004.02.012","pid":"doi:10.1016/j.jallcom.2004.02.012/p1/text-08/s16#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"And four eutectic points occur at: 5 at.% Sn, 1063 K; 44 at.% Sn, 1348 K; 74 at.% Sn, 1058 K; and less than 1 at.% Eu, 503 K.","quote_page":1,"reaction":{"type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"EU-SN","system":"EU-SN","temperature_K":1348.0,"temperature_printed":"1348","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1348.0}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"EU-SN"}