# Cd–Te system > Cd–Te system: 20 accepted literature values (phase transition 11, invariant reaction 5, mixing / partial 2, formation 2) and 3 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/CD-TE.html · Markdown: https://data.orchid-project.org/systems/CD-TE.md 20 accepted literature values from 2 paper(s) (experimental 12, model 6, unspecified 2); 3 calculated phase diagram(s). 4 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/CD-TE.json) · [CSV](https://data.orchid-project.org/systems/CD-TE.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#CD-TE) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#CD-TE/CdTe-00Yam-LB.json) · [phases (7)](https://data.orchid-project.org/phases/pages/CD-TE.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/CD-TE.html) · [Markdown](https://data.orchid-project.org/systems/CD-TE.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 12 | | model | 6 | | unspecified | 2 | Table: Accepted values by property group | Property group | Values | |---|---:| | invariant reaction | 5 | | phase transition | 11 | | formation | 2 | | mixing / partial | 2 | ## 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 | |---|---|---|---| | CdTe-00Yam-LB.tdb | K. Yamaguchi, K. Hongo, K. Hack, I. Hurtado, D. Neuschuetz, Mater. Trans. JIM, 41, 790-98(2000). [doi:10.2320/matertrans1989.41.790](https://doi.org/10.2320/matertrans1989.41.790) | `378f97637cad84353392b1285b1d24cc2e0a39f3595856350d53d986188a0523` | [viewer](https://orchid-project.org/phase-diagrams/#CD-TE/CdTe-00Yam-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CdTe-00Yam-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CdTe-00Yam-LB.json) | | CdTe-09Liu.tdb | Y. Liu, L. Zhang, D. Yu, J. Electron. Mater., 38, 2033-45(2009). [doi:10.1007/s11664-009-0875-3](https://doi.org/10.1007/s11664-009-0875-3) | `0716dba9e0a2962655788a0808e2aa2b71bbffc2bb9c7bbfc97626ab92ce8b35` | [viewer](https://orchid-project.org/phase-diagrams/#CD-TE/CdTe-09Liu.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CdTe-09Liu.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CdTe-09Liu.json) | | CdTe-95Yan.tdb | J. Yang, N.J. Silk, A. Watson, A.W. Bryant, B.B. Argent, Calphad, 19, 399-414(1995). [doi:10.1016/0364-5916(95)00038-G](https://doi.org/10.1016/0364-5916%2895%2900038-G) | `52f50c87a9d2116591bfa7a4bb8c458178a2145db463e4e059be6a9b7ed39619` | [viewer](https://orchid-project.org/phase-diagrams/#CD-TE/CdTe-95Yan.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CdTe-95Yan.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CdTe-95Yan.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | CdTe-00Yam-LB.tdb | 1371.96 | GAS (x(Te) 0.00324) + ZINCBLENDE_B3 (x(Te) 0.5) + LIQUID (x(Te) 0.50076) | | CdTe-00Yam-LB.tdb | 1041.7 | GAS (x(Te) 0) + LIQUID (x(Te) 0.02429) + ZINCBLENDE_B3 (x(Te) 0.5) | | CdTe-00Yam-LB.tdb | 718.51 | ZINCBLENDE_B3 (x(Te) 0.5) + LIQUID (x(Te) 0.98322) + HEXAGONAL_A8 (x(Te) 1) | | CdTe-00Yam-LB.tdb | 594.22 | HCP_A3 (x(Te) 0) + LIQUID (x(Te) 1.000e-5) + ZINCBLENDE_B3 (x(Te) 0.5) | | CdTe-09Liu.tdb | 1369.81 | GAS (x(Te) 0.02155) + ZINCBLENDE_B3 (x(Te) 0.5) + LIQUID (x(Te) 0.50393) | | CdTe-09Liu.tdb | 1042.79 | GAS (x(Te) 0) + LIQUID (x(Te) 0.03707) + ZINCBLENDE_B3 (x(Te) 0.5) | | CdTe-09Liu.tdb | 717.84 | ZINCBLENDE_B3 (x(Te) 0.5) + LIQUID (x(Te) 0.98082) + HEXAGONAL_A8 (x(Te) 1) | | CdTe-09Liu.tdb | 594.13 | HCP_A3 (x(Te) 0) + LIQUID (x(Te) 1.800e-4) + ZINCBLENDE_B3 (x(Te) 0.5) | | CdTe-95Yan.tdb | 1367.12 | GAS (x(Te) 0.00489) + ZINCBLENDE_B3 (x(Te) 0.5) + LIQUID (x(Te) 0.50228) | | CdTe-95Yan.tdb | 1042 | GAS (x(Te) 0) + LIQUID (x(Te) 0.02659) + ZINCBLENDE_B3 (x(Te) 0.5) | | CdTe-95Yan.tdb | 720.16 | ZINCBLENDE_B3 (x(Te) 0.5) + LIQUID (x(Te) 0.99001) + HEXAGONAL_A8 (x(Te) 1) | | CdTe-95Yan.tdb | 594.22 | LIQUID (x(Te) 0) + HCP_A3 (x(Te) 0) + ZINCBLENDE_B3 (x(Te) 0.5) | Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/CD/CD-TE.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/CD/CD-TE.json) · [CALPHAD hull CdTe-00Yam-LB](https://data.orchid-project.org/hulls/calphad-sgte/CD/CD-TE--CdTe-00Yam-LB.json) · [CALPHAD hull CdTe-95Yan](https://data.orchid-project.org/hulls/calphad-sgte/CD/CD-TE--CdTe-95Yan.json) ## Invariant reactions (literature) Table: Invariant reactions reported in the literature for the Cd–Te system (5) | T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote | |---:|---|---|---|---|---|---| | 720 | eutectic: liq -> hex + CdTe | liq: Te 0.99; hex: Te 1; CdTe: Te 0.5 | experimental | [1] Liu 2009; _cites Kulwicki 1963_ | Table III, p. 7, row 14; `ORC-54H5OHNIE2` | | | 717.8 | eutectic: liq -> hex + CdTe | liq: Te 0.981; hex: Te 1; CdTe: Te 0.5 | model | [1] Liu 2009 | Table III, p. 7, row 12; `ORC-2C3U3WQLAW` | | | 710 | eutectic: liq -> hex + CdTe | liq: Te 0.98; hex: Te 1; CdTe: Te 0.5 | experimental | [1] Liu 2009; _cites Kobayashi 1911_ [doi](https://doi.org/10.1002/zaac.19100690102) | Table III, p. 7, row 13; `ORC-RUOGI76S7U` | | | 594.13 | eutectic: liq -> Cd + CdTe | liq: Te 1.820e-4; Cd: Te 0; CdTe: Te 0.5 | model | [1] Liu 2009 | Table III, p. 7, row 1; `ORC-IGPIY3GP3B` | | | 594 | eutectic: liq -> Cd + CdTe | Cd: Te 0; CdTe: Te 0.5 | experimental | [1] Liu 2009; _cites Kobayashi 1911_ [doi](https://doi.org/10.1002/zaac.19100690102) | Table III, p. 7, row 2; `ORC-GV6UOZTTWM` | | ## Formation enthalpies Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from [dft_parity.json](https://data.orchid-project.org/literature/dft_parity.json). Table: Enthalpies of formation, Cd–Te system (2) | Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote | |---|---|---:|---:|---|---:|---:|---|---|---| | CdTe | | -100.708 kJ/mol (basis unstated) | 298.15 | model | | | [2] Jianrong 1995 | Table 4, p. 13, row 2; `ORC-D3QUZ7OGYZ.d1f8fc` | | | CdTe | | -100.663 kJ/mol (basis unstated) | 298.15 | unspecified | | | [2] Jianrong 1995; _cites ref. 13_ | Table 4, p. 13, row 1; `ORC-S6377M3I2P.af4895` | | ## Other properties ### Phase transition (11) Table: Phase transition, Cd–Te system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Phase transition | 1315 K | 1315 | liq -> CdTe; _liq: Te 0.5; CdTe: Te 0.5_ | experimental | [1] Liu 2009; _cites Kobayashi 1911_ [doi](https://doi.org/10.1002/zaac.19100690102) | Table III, p. 7, row 4; `ORC-3I4TLIGYS7` | | | Phase transition | 1333 K | 1333 | liq -> CdTe; _liq: Te 0.5; CdTe: Te 0.5_ | experimental | [1] Liu 2009; _cites Gromakov 1964_ | Table III, p. 7, row 10; `ORC-IDQ7VPPQ3A` | | | Phase transition | 1363 K | 1363 | liq -> CdTe; _liq: Te 0.5; CdTe: Te 0.5_ | experimental | [1] Liu 2009; _cites DeNobel 1959_ | Table III, p. 7, row 6; `ORC-WAZIKNNMTQ` | | | Phase transition | 1365 K | 1365 | liq -> CdTe; _liq: Te 0.5; CdTe: Te 0.5_ | experimental | [1] Liu 2009; _cites Steininger 1970_ [doi](https://doi.org/10.1149/1.2407297) | Table III, p. 7, row 8; `ORC-AC42BQSHTE` | | | Phase transition | 1365 K | 1365 | liq -> CdTe; _liq: Te 0.5; CdTe: Te 0.5_ | experimental | [1] Liu 2009; _cites Lorenz 1962_ [doi](https://doi.org/10.1016/0022-3697%2862%2990151-8) | Table III, p. 7, row 7; `ORC-P6LPGYUWOE` | | | Phase transition | 1367.15 K | 1367.15 | CdTe | experimental | [2] Jianrong 1995 | p. 1; `ORC-NRDIIUXCVA.e7c812` | “Their assessment predicts 1098'C for the melting point of CdTe compared with the mean experimental value of 1094°C.” | | Phase transition | 1371 K | 1371 | liq -> CdTe; _liq: Te 0.5; CdTe: Te 0.5_ | model | [1] Liu 2009 | Table III, p. 7, row 3; `ORC-7CNJIIXQLI` | | | Phase transition | 1371 K | 1371 | liq -> CdTe; _liq: Te 0.5; CdTe: Te 0.5_ | experimental | [1] Liu 2009; _cites Mason 1961_ | Table III, p. 7, row 9; `ORC-WN5VKWJSAR` | | | Phase transition | 1371.15 K | 1371.15 | CdTe | model | [2] Jianrong 1995; _cites ref. 12_ | p. 1; `ORC-NRDIIUXCVA.47f9fe` | “Their assessment predicts 1098'C for the melting point of CdTe compared with the mean experimental value of 1094°C.” | | Phase transition | 1372 K | 1372 | liq -> CdTe; _liq: Te 0.5; CdTe: Te 0.5_ | experimental | [1] Liu 2009; _cites Sysoev 1967_ | Table III, p. 7, row 11; `ORC-3O2HLZTJRX` | | | Phase transition | 1379 K | 1379 | liq -> CdTe; _liq: Te 0.5; CdTe: Te 0.5_ | experimental | [1] Liu 2009; _cites Lawson 1959_ [doi](https://doi.org/10.1016/0022-3697%2859%2990110-6) | Table III, p. 7, row 5; `ORC-MRL67CKBNG` | | ### Mixing / partial (2) Table: Mixing / partial, Cd–Te system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Entropy of mixing; _printed: S°298(CdTe)_ | 93.3 J/mol (basis unstated)/K | 298.15 | CdTe; _alloy: Te 0.5_ | model | [2] Jianrong 1995 | Table 4, p. 13, row 2; `ORC-D3QUZ7OGYZ.d7c0c2` | | | Entropy of mixing; _printed: S°298(CdTe)_ | 95.4 J/mol (basis unstated)/K | 298.15 | CdTe; _alloy: Te 0.5_ | unspecified | [2] Jianrong 1995; _cites ref. 13_ | Table 4, p. 13, row 1; `ORC-S6377M3I2P.3353ab` | | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. Yajun Liu, Lijun Zhang, Di Yu, Thermodynamic Descriptions for the Cd-Te, Pb-Te, Cd-Pb and Cd-Pb-Te Systems, Journal of Elec Materi 38, 2033-2045 (2009). [doi:10.1007/s11664-009-0875-3](https://doi.org/10.1007/s11664-009-0875-3) 2. Yang Jianrong, N.J. Silk, A. Watson, A.W. Bryant, B.B. Argent, Thermodynamic and phase diagram assessment of the Cd-Te and Hg-Te systems, Calphad 19, 399-414 (1995). [doi:10.1016/0364-5916(95)00038-g](https://doi.org/10.1016/0364-5916%2895%2900038-g) ## 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/).