# Sn–V system > Sn–V system: 9 accepted literature values (phase equilibrium 9) and 2 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/SN-V.html · Markdown: https://data.orchid-project.org/systems/SN-V.md 9 accepted literature values from 1 paper(s) (experimental 2, unspecified 7); 2 calculated phase diagram(s). Data: [JSON](https://data.orchid-project.org/literature/systems/SN-V.json) · [CSV](https://data.orchid-project.org/systems/SN-V.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#SN-V) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#SN-V/SnV-02Stu-LB.json) · [phases (9)](https://data.orchid-project.org/phases/pages/SN-V.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/SN-V.html) · [Markdown](https://data.orchid-project.org/systems/SN-V.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 2 | | unspecified | 7 | Table: Accepted values by property group | Property group | Values | |---|---:| | phase equilibrium | 9 | ## 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 | |---|---|---|---| | SnV-02Stu-LB.tdb | T. Studnitzky, B. Onderka, R. Schmid-Fetzer, Z. Metallkd., 93, 48-57(2002). [doi:10.3139/ijmr-2002-0009](https://doi.org/10.3139/ijmr-2002-0009) | `34ad8b6e7351ecab2b1c5915a9b47acaf8bc19937978f699ccdbf1609030f13b` | [viewer](https://orchid-project.org/phase-diagrams/#SN-V/SnV-02Stu-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/SnV-02Stu-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/SnV-02Stu-LB.json) | | SnV-08Che.tdb | C.-C. Chen, W. Gierlotka, S.-W. Chen, J. Electron. Mater., 37, 1727-33(2008). [doi:10.1007/s11664-008-0530-4](https://doi.org/10.1007/s11664-008-0530-4) | `8c98bca6360bcce78406b38a2648cf5875edff285a0979cd868587c45fdda28b` | [viewer](https://orchid-project.org/phase-diagrams/#SN-V/SnV-08Che.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/SnV-08Che.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/SnV-08Che.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | SnV-02Stu-LB.tdb | 1871.31 | LIQUID (x(V) 0.62387) + SNV3_A15 (x(V) 0.795) + BCC_A2 (x(V) 0.84492) | | SnV-02Stu-LB.tdb | 1871.31 | LIQUID (x(V) 0.62399) + SNV3_A15 (x(V) 0.795) + BCC_A2 (x(V) 0.84494) | | SnV-02Stu-LB.tdb | 1773.39 | LIQUID#2 (x(V) 0.15636) + LIQUID (x(V) 0.41662) + SNV3_A15 (x(V) 0.795) | | SnV-02Stu-LB.tdb | 1032.2 | LIQUID (x(V) 0.00165) + SN3V2_CB (x(V) 0.4) + SNV3_A15 (x(V) 0.795) | | SnV-02Stu-LB.tdb | 1032.2 | LIQUID (x(V) 0.00165) + SN3V2_CB (x(V) 0.4) + SNV3_A15 (x(V) 0.795) | | SnV-02Stu-LB.tdb | 505.08 | BCT_A5 (x(V) 0) + LIQUID (x(V) 0) + SN3V2_CB (x(V) 0.4) | | SnV-08Che.tdb | 1863.82 | LIQUID (x(V) 0.6238) + SNV3_A15 (x(V) 0.78) + BCC_A2 (x(V) 0.84194) | | SnV-08Che.tdb | 1863.82 | LIQUID (x(V) 0.62401) + SNV3_A15 (x(V) 0.78) + BCC_A2 (x(V) 0.842) | | SnV-08Che.tdb | 1775.19 | LIQUID#2 (x(V) 0.15744) + LIQUID (x(V) 0.41561) + SNV3_A15 (x(V) 0.78) | | SnV-08Che.tdb | 1027.42 | LIQUID (x(V) 0.00146) + SN2V_CB (x(V) 0.34) + SNV3_A15 (x(V) 0.78) | | SnV-08Che.tdb | 1027.42 | LIQUID (x(V) 0.00145) + SN2V_CB (x(V) 0.34) + SNV3_A15 (x(V) 0.78) | | SnV-08Che.tdb | 505.08 | BCT_A5 (x(V) 0) + LIQUID (x(V) 0) + SN2V_CB (x(V) 0.34) | Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/SN/SN-V.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/SN/SN-V.json) · [CALPHAD hull SnV-02Stu-LB](https://data.orchid-project.org/hulls/calphad-sgte/SN/SN-V--SnV-02Stu-LB.json) ## Other properties ### Phase equilibrium (9) Table: Phase equilibrium, Sn–V system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Phase assemblage | | 523.15 | liquid + V2Sn3; _alloy: V 0.2_ | experimental | [1] Chen 2008 | p. 2; `ORC-6VYTRABTDH` | “Figure 1 shows a BEI micrograph of alloy #1 (Sn-20.0at.%V) annealed at 250°C for 6 months. Two different phase regions are observed. The composition of the bright phase is Sn-0.1at.%V while that of the dark phase is Sn-33.7at.%V.” | | Phase assemblage | | 873.15 | V3Sn + V; _alloy: V 0.85_ | experimental | [1] Chen 2008 | p. 3; `ORC-H3RIUCDB5T` | “Figure 5 shows the BEI micrograph of alloy #6 (Sn-85.0at.%V) annealed at 600°C for 9 months. Two phases are observed. The composition of the bright phase is Sn-78.0at.%V while that of the dark phase is Sn-87.7at.%V; these are the V3Sn phase and V phase, respectively.” | | Phase composition | | 523.15 | Liquid + VSn2(V2Sn3); _Liquid: Sn 1, V 0; VSn2(V2Sn3): Sn 0.659, V 0.341_ | unspecified | [1] Chen 2008 | Table I, p. 2, row 2; `ORC-Q5WBUVZTEF` | | | Phase composition | | 523.15 | Liquid + VSn2(V2Sn3); _Liquid: Sn 0.999, V 0.001; VSn2(V2Sn3): Sn 0.663, V 0.337_ | unspecified | [1] Chen 2008 | Table I, p. 2, row 1; `ORC-QZ2YQV44M4` | | | Phase composition | | 523.15 | Liquid + VSn2(V2Sn3); _Liquid: Sn 1, V 0; VSn2(V2Sn3): Sn 0.661, V 0.339_ | unspecified | [1] Chen 2008 | Table I, p. 2, row 3; `ORC-SLPVW5BNTN` | | | Phase composition | | 523.15 | V3Sn + V; _V3Sn: Sn 0.219, V 0.781; V: Sn 0.121, V 0.879_ | unspecified | [1] Chen 2008 | Table I, p. 2, row 7; `ORC-JAKPHZ7DOX` | | | Phase composition | | 523.15 | VSn2(V2Sn3) + V3Sn; _VSn2(V2Sn3): Sn 0.659, V 0.341; V3Sn: Sn 0.218, V 0.782_ | unspecified | [1] Chen 2008 | Table I, p. 2, row 5; `ORC-YFLFBAPZ6E` | | | Phase composition | | 873.15 | V3Sn + V; _V3Sn: Sn 0.22, V 0.78; V: Sn 0.123, V 0.877_ | unspecified | [1] Chen 2008 | Table I, p. 2, row 6; `ORC-EI6H4O5Y34` | | | Phase composition | | 873.15 | VSn2(V2Sn3) + V3Sn; _VSn2(V2Sn3): Sn 0.658, V 0.342; V3Sn: Sn 0.22, V 0.78_ | unspecified | [1] Chen 2008 | Table I, p. 2, row 4; `ORC-6ZQBP2CY6W` | | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. Chih-Chi Chen, Wojcieh Gierlotka, Sinn-Wen Chen, Phase Equilibria of the Sn-V System and Interfacial Reactions in Sn/V Couples, Journal of Elec Materi 37, 1727-1733 (2008). [doi:10.1007/s11664-008-0530-4](https://doi.org/10.1007/s11664-008-0530-4) ## 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/).