# Ba–Sr system > Ba–Sr system: 12 accepted literature values (mixing / partial 12) and 2 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/BA-SR.html · Markdown: https://data.orchid-project.org/systems/BA-SR.md 12 accepted literature values from 1 paper(s) (experimental 12); 2 calculated phase diagram(s). 1 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV. Data: [JSON](https://data.orchid-project.org/literature/systems/BA-SR.json) · [CSV](https://data.orchid-project.org/systems/BA-SR.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#BA-SR) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#BA-SR/BaSr-01Fab-LB.json) · [phases (4)](https://data.orchid-project.org/phases/pages/BA-SR.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/BA-SR.html) · [Markdown](https://data.orchid-project.org/systems/BA-SR.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 12 | Table: Accepted values by property group | Property group | Values | |---|---:| | mixing / partial | 12 | ## Calculated phase diagrams Binary phase diagrams calculated with pycalphad 0.11.2 from the SGTE binary collection (Hallstedt 2025, CC BY 4.0). Evidence class: model. Table: Assessments with a calculated phase diagram | TDB file | Assessment | SHA-256 | Links | |---|---|---|---| | BaSr-01Fab-LB.tdb | O. Fabrichnaya, unpublished, 2001. | `6224a455791a1c179950f0b7558e9b57e959b41b73e70e13c811eb6f27f7e1f2` | [viewer](https://orchid-project.org/phase-diagrams/#BA-SR/BaSr-01Fab-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/BaSr-01Fab-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/BaSr-01Fab-LB.json) | | BaSr-87Alc.tdb | C.B. Alcock, V.P. Itkin, Bull. Alloy Phase Diag., 8, 534-36(1987). [doi:10.1007/BF02879429](https://doi.org/10.1007/BF02879429) | `d321a835b5ef863c352f2ada30d78842997d7b5131de49712d53f39e3a1500e9` | [viewer](https://orchid-project.org/phase-diagrams/#BA-SR/BaSr-87Alc.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/BaSr-87Alc.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/BaSr-87Alc.json) | Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/BA/BA-SR.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/BA/BA-SR.json) · [CALPHAD hull BaSr-87Alc](https://data.orchid-project.org/hulls/calphad-sgte/BA/BA-SR--BaSr-87Alc.json) ## Other properties ### Mixing / partial (12) Table: Mixing / partial, Ba–Sr system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Enthalpy of mixing; _printed: -ΔmixH_ | -0.238 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.992, Sr 0.008_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 12; `ORC-477HAXPKWZ.99bc42` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.36 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.99745, Sr 0.00255_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 3; `ORC-6754AX6WY7.08a5eb` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.439 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.9956, Sr 0.0044_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 6; `ORC-ACM4GDMKON.cc30c9` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.259 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.9925, Sr 0.0075_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 11; `ORC-GKGC5IADHD.c59dbc` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.406 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.99655, Sr 0.00345_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 4; `ORC-HQOSILDZRO.5aa9f1` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.444 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.9945, Sr 0.0055_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 8; `ORC-K4K5GFP45P.f118e8` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.213 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.9981, Sr 0.0019_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 2; `ORC-LGKKP76FMD.033cee` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.155 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.9989, Sr 0.0011_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 1; `ORC-PCBQVCAZQW.c0075c` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.347 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.9933, Sr 0.0067_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 10; `ORC-REEJUDG3QP.b808cf` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.418 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.99605, Sr 0.00395_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 5; `ORC-S4WYDP7Y7P.77d333` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.439 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.9949, Sr 0.0051_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 7; `ORC-SPKGK6IBZZ.d2e769` | | | Enthalpy of mixing; _printed: -ΔmixH_ | -0.418 kJ/mol (basis unstated) | | liquid; _alloy: Ba 0.9939, Sr 0.0061_ | experimental | [1] Alcock 1987; _cites ref. 74Pre_ | Table 2, p. 3, row 9; `ORC-TD23PO4FR6.8af2e8` | | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. C. B. Alcock, V. P. Itkin, The Ba−Sr (Barium-Strontium) system, Bulletin of Alloy Phase Diagrams 8, 534-536 (1987). [doi:10.1007/bf02879429](https://doi.org/10.1007/bf02879429) ## Please cite - 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 - R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735859 - R. Arróyave, J. Saal, D. Shin, ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD) (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735891 - 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 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); B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, https://doi.org/10.1016/j.calphad.2025.102833 (CC BY 4.0), and the original assessment named in each file; A. Jain et al., The Materials Project: A materials genome approach to accelerating materials innovation, APL Materials 1 (2013) 011002, https://doi.org/10.1063/1.4812323 (CC BY 4.0); J. E. Saal et al., JOM 65 (2013) 1501, https://doi.org/10.1007/s11837-013-0755-4 and S. Kirklin et al., npj Comput. Mater. 1 (2015) 15010, https://doi.org/10.1038/npjcompumats.2015.10 (CC BY 4.0). 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. ```bibtex @misc{orchid_literature_2026, author = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon}, title = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}}, version = {2026.10}, publisher = {Zenodo}, year = {2026}, doi = {10.5281/zenodo.23735569}, url = {https://doi.org/10.5281/zenodo.23735569}, note = {Version 1, machine-extracted} } @misc{orchid_phase_diagrams_2026, author = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon}, title = {{ORCHID-Diagrams: calculated binary phase diagrams}}, version = {2026.10}, publisher = {Zenodo}, year = {2026}, doi = {10.5281/zenodo.23735859}, url = {https://doi.org/10.5281/zenodo.23735859} } @misc{orchid_hulls_2026, author = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon}, title = {{ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD)}}, version = {2026.10}, publisher = {Zenodo}, year = {2026}, doi = {10.5281/zenodo.23735891}, url = {https://doi.org/10.5281/zenodo.23735891} } @misc{orchid_data_2026, author = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon}, title = {{ORCHID data: umbrella record of the ORCHID datasets}}, version = {2026.10}, publisher = {Zenodo}, year = {2026}, doi = {10.5281/zenodo.23736065}, url = {https://doi.org/10.5281/zenodo.23736065}, note = {Version 1, machine-extracted} } ``` --- Derived data CC BY 4.0 ([licence](https://creativecommons.org/licenses/by/4.0/)): cite ORCHID ([CITATION.cff](https://data.orchid-project.org/CITATION.cff)) and the original sources. Quotes are short excerpts kept so that each value can be checked; they remain under the publishers' copyright and are not relicensed. Source papers, page images and full text are not redistributed. Field reference: [SCHEMA.md](https://data.orchid-project.org/literature/SCHEMA.md). Machine-readable guide: [llms.txt](https://data.orchid-project.org/llms.txt). Found an error? The report link of a value (Markdown: its id, ORC-..., in the Location column) opens a pre-filled GitHub issue, https://github.com/orchid-calphad/orchid-data/issues/new?template=report-value-error.yml&record_id=\, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).