Pt–Te system

20 accepted literature values from 1 paper(s) (experimental 10, model 6, DFT 4); 1 calculated phase diagram(s).

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (9) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	10
model	6
DFT	4

Accepted values by property group
Property group	Values
invariant reaction	12
crystal structure	8

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
PtTe-15Guo.tdb	C. Guo, L. Huang C. Li, S. Shang, Z. Du, J. Electron. Mater., 44, 2638-50(2015). doi:10.1007/s11664-015-3676-x	`e561265cc2accdd00c1d8ef0686e82e9f36a823fe579ee7fca2d26b2c92d6eb3`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
PtTe-15Guo.tdb	1292.61	LIQUID (x(Te) 0.51999) + PT3TE4 (x(Te) 0.57143) + PTTE2_C6 (x(Te) 0.66667)
PtTe-15Guo.tdb	1292.61	LIQUID (x(Te) 0.52004) + PT3TE4 (x(Te) 0.57143) + PTTE2_C6 (x(Te) 0.66667)
PtTe-15Guo.tdb	1292.61	LIQUID (x(Te) 0.52002) + PT3TE4 (x(Te) 0.57143) + PTTE2_C6 (x(Te) 0.66667)
PtTe-15Guo.tdb	1208.04	LIQUID (x(Te) 0.43416) + PTTE (x(Te) 0.5) + PT3TE4 (x(Te) 0.57143)
PtTe-15Guo.tdb	1208.04	LIQUID (x(Te) 0.43432) + PTTE (x(Te) 0.5) + PT3TE4 (x(Te) 0.57143)
PtTe-15Guo.tdb	1208.04	LIQUID (x(Te) 0.43415) + PTTE (x(Te) 0.5) + PT3TE4 (x(Te) 0.57143)
PtTe-15Guo.tdb	1145.86	FCC_A1 (x(Te) 0) + LIQUID (x(Te) 0.36309) + PTTE (x(Te) 0.5)
PtTe-15Guo.tdb	1145.86	FCC_A1 (x(Te) 0) + LIQUID (x(Te) 0.36305) + PTTE (x(Te) 0.5)
PtTe-15Guo.tdb	1145.86	FCC_A1 (x(Te) 0) + LIQUID (x(Te) 0.3631) + PTTE (x(Te) 0.5)
PtTe-15Guo.tdb	1145.86	FCC_A1 (x(Te) 0) + LIQUID (x(Te) 0.36303) + PTTE (x(Te) 0.5)
PtTe-15Guo.tdb	1145.86	FCC_A1 (x(Te) 0) + LIQUID (x(Te) 0.36295) + PTTE (x(Te) 0.5)
PtTe-15Guo.tdb	934.55	PT3TE4 (x(Te) 0.57143) + PT2TE3 (x(Te) 0.6) + PTTE2_C6 (x(Te) 0.66667)
PtTe-15Guo.tdb	719.89	PTTE2_C6 (x(Te) 0.66667) + LIQUID (x(Te) 0.99629) + HEXAGONAL_A8 (x(Te) 1)
PtTe-15Guo.tdb	719.89	PTTE2_C6 (x(Te) 0.66667) + LIQUID (x(Te) 0.9963) + HEXAGONAL_A8 (x(Te) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Pt–Te system (12)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1423	congruent melting: liquid -> PtTe2	liquid: Te 0.6667; PtTe2: Pt 0.333333, Te 0.666667	model	[1] Guo 2015	Table III, p. 6, row 7 report
1423	congruent melting: liquid -> PtTe2	liquid: Te 0.667; PtTe2: Pt 0.333333, Te 0.666667	experimental	[1] Guo 2015 cites Kim 1996 doi	Table III, p. 6, row 8 report
1290	liquid + PtTe2 -> Pt3Te4	liquid: Te 0.5208; PtTe2: Pt 0.333333, Te 0.666667; Pt3Te4: Pt 0.428571, Te 0.571429	model	[1] Guo 2015	Table III, p. 6, row 5 report
1273	liquid + PtTe2 -> Pt3Te4	liquid: Te 0.164; PtTe2: Pt 0.333333, Te 0.666667; Pt3Te4: Pt 0.428571, Te 0.571429	experimental	[1] Guo 2015 cites Kim 1996 doi	Table III, p. 6, row 6 report
1208	liquid + Pt3Te4 -> PtTe	liquid: Te 0.4342; Pt3Te4: Pt 0.428571, Te 0.571429; PtTe: Pt 0.5, Te 0.5	model	[1] Guo 2015	Table III, p. 6, row 3 report
1208	liquid + Pt3Te4 -> PtTe	Pt3Te4: Pt 0.428571, Te 0.571429; PtTe: Pt 0.5, Te 0.5	experimental	[1] Guo 2015 cites Kim 1996 doi	Table III, p. 6, row 4 report
1146	eutectic: liquid -> fcc(Pt) + PtTe	liquid: Te 0.363; PtTe: Pt 0.5, Te 0.5	model	[1] Guo 2015	Table III, p. 6, row 1 report
1143	eutectic: liquid -> fcc(Pt) + PtTe	liquid: Te 0.4; PtTe: Pt 0.5, Te 0.5	experimental	[1] Guo 2015 cites Kim 1996 doi	Table III, p. 6, row 2 report
954	PtTe2 + Pt3Te4 -> Pt2Te3	PtTe2: Pt 0.333333, Te 0.666667; Pt3Te4: Pt 0.428571, Te 0.571429; Pt2Te3: Pt 0.4, Te 0.6	model	[1] Guo 2015	Table III, p. 6, row 9 report
923	PtTe2 + Pt3Te4 -> Pt2Te3	PtTe2: Pt 0.333333, Te 0.666667; Pt3Te4: Pt 0.428571, Te 0.571429; Pt2Te3: Pt 0.4, Te 0.6	experimental	[1] Guo 2015 cites Kim 1996 doi	Table III, p. 6, row 10 report
722	eutectic: liquid -> PtTe2 + hex(Te)	liquid: Te 1; PtTe2: Pt 0.333333, Te 0.666667	experimental	[1] Guo 2015 cites Kim 1996 doi	Table III, p. 6, row 12 report
720	eutectic: liquid -> PtTe2 + hex(Te)	liquid: Te 0.9957; PtTe2: Pt 0.333333, Te 0.666667	model	[1] Guo 2015	Table III, p. 6, row 11 report

Other properties

Crystal structure (8)

Crystal structure, Pt–Te system
Property	Value	T (K)	Phases / composition	Class	Source	Location
lattice v	23.345 Å3/atom		Pt2Te3 alloy: Te 0.6	experimental	[1] Guo 2015 cites Kim 1999 doi	Table I, p. 3, row 10 report
lattice v	25.0268 Å3/atom	0	Pt2Te3 alloy: Te 0.6	DFT	[1] Guo 2015	Table I, p. 3, row 9 report
lattice v	23.2929 Å3/atom		Pt3Te4 alloy: Te 0.571429	experimental	[1] Guo 2015 cites Kim 1999 doi	Table I, p. 3, row 8 report
lattice v	24.5621 Å3/atom	0	Pt3Te4 alloy: Te 0.571429	DFT	[1] Guo 2015	Table I, p. 3, row 7 report
lattice v	23.8074 Å3/atom	0	PtTe alloy: Te 0.5	DFT	[1] Guo 2015	Table I, p. 3, row 5 report
lattice v	22.3875 Å3/atom		PtTe alloy: Te 0.5	experimental	[1] Guo 2015 cites Kim 1997 doi	Table I, p. 3, row 6 report
lattice v	25.8098 Å3/atom	0	PtTe2 alloy: Te 0.666667	DFT	[1] Guo 2015	Table I, p. 3, row 11 report
lattice v	23.6667 Å3/atom		PtTe2 alloy: Te 0.666667	experimental	[1] Guo 2015 cites Soulard 2005 doi	Table I, p. 3, row 12 report

Sources

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

Cuiping Guo, Liang Huang, Changrong Li, Shunli Shang, Zhenmin Du, Thermodynamic Modeling of the Pt-Te and Pt-Sb-Te Systems, Journal of Elec Materi 44, 2638-2650 (2015). doi:10.1007/s11664-015-3676-x

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}
}