Cd–Te system

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 · CSV · interactive explorer · interactive phase diagram · phases (7) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	12
model	6
unspecified	2

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.

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	`378f97637cad84353392b1285b1d24cc2e0a39f3595856350d53d986188a0523`	viewer · TDB · JSON
CdTe-09Liu.tdb	Y. Liu, L. Zhang, D. Yu, J. Electron. Mater., 38, 2033-45(2009). doi:10.1007/s11664-009-0875-3	`0716dba9e0a2962655788a0808e2aa2b71bbffc2bb9c7bbfc97626ab92ce8b35`	viewer · TDB · 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	`52f50c87a9d2116591bfa7a4bb8c458178a2145db463e4e059be6a9b7ed39619`	viewer · TDB · JSON

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 · OQMD DFT hull · CALPHAD hull CdTe-00Yam-LB · CALPHAD hull CdTe-95Yan

Invariant reactions (literature)

Invariant reactions reported in the literature for the Cd–Te system (5)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
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 report
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 report
710	eutectic: liq -> hex + CdTe	liq: Te 0.98; hex: Te 1; CdTe: Te 0.5	experimental	[1] Liu 2009 cites Kobayashi 1911 doi	Table III, p. 7, row 13 report
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 report
594	eutectic: liq -> Cd + CdTe	Cd: Te 0; CdTe: Te 0.5	experimental	[1] Liu 2009 cites Kobayashi 1911 doi	Table III, p. 7, row 2 report

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.

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 report
CdTe		-100.663 kJ/mol (basis unstated)	298.15	unspecified			[2] Jianrong 1995 cites ref. 13	Table 4, p. 13, row 1 report

Other properties

Phase transition (11)

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	Table III, p. 7, row 4 report
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 report
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 report
Phase transition	1365 K	1365	liq -> CdTe liq: Te 0.5; CdTe: Te 0.5	experimental	[1] Liu 2009 cites Steininger 1970 doi	Table III, p. 7, row 8 report
Phase transition	1365 K	1365	liq -> CdTe liq: Te 0.5; CdTe: Te 0.5	experimental	[1] Liu 2009 cites Lorenz 1962 doi	Table III, p. 7, row 7 report
Phase transition	1367.15 K	1367.15	CdTe	experimental	[2] Jianrong 1995	p. 1 report	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 report
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 report
Phase transition	1371.15 K	1371.15	CdTe	model	[2] Jianrong 1995 cites ref. 12	p. 1 report	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 report
Phase transition	1379 K	1379	liq -> CdTe liq: Te 0.5; CdTe: Te 0.5	experimental	[1] Liu 2009 cites Lawson 1959 doi	Table III, p. 7, row 5 report

Mixing / partial (2)

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 report
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 report

Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

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
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

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). doi:10.5281/zenodo.23735569
R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). doi: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). doi: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). doi: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.

@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}
}