Ge–Zr system

36 accepted literature values from 1 paper(s) (experimental 28, model 8); 1 calculated phase diagram(s).

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (10) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	28
model	8

Accepted values by property group
Property group	Values
invariant reaction	15
phase equilibrium	9
crystal structure	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.

Assessments with a calculated phase diagram
TDB file	Assessment	SHA-256	Links
GeZr-11Sha.tdb	C. Sha, L. Zhou, S. Liu, Y. Du, T. Gang, H. Xu, J. Mater. Sci., 46, 1405-13(2011). doi:10.1007/s10853-010-4934-1	`407ab2d6f3ec81a0b6a511e23a3d73b394702bd56d9dce3763ab660043734cf3`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
GeZr-11Sha.tdb	2537.53	LIQUID (x(Zr) 0.54388) + GE4ZR5 (x(Zr) 0.55556) + GE3ZR5_D88 (x(Zr) 0.625)
GeZr-11Sha.tdb	2537.53	LIQUID (x(Zr) 0.5439) + GE4ZR5 (x(Zr) 0.55556) + GE3ZR5_D88 (x(Zr) 0.625)
GeZr-11Sha.tdb	2537.53	LIQUID (x(Zr) 0.54372) + GE4ZR5 (x(Zr) 0.55556) + GE3ZR5_D88 (x(Zr) 0.625)
GeZr-11Sha.tdb	2497.63	LIQUID (x(Zr) 0.48778) + GEZR_B27 (x(Zr) 0.5) + GE4ZR5 (x(Zr) 0.55556)
GeZr-11Sha.tdb	2497.62	LIQUID (x(Zr) 0.4879) + GEZR_B27 (x(Zr) 0.5) + GE4ZR5 (x(Zr) 0.55556)
GeZr-11Sha.tdb	2497.62	LIQUID (x(Zr) 0.48797) + GEZR_B27 (x(Zr) 0.5) + GE4ZR5 (x(Zr) 0.55556)
GeZr-11Sha.tdb	1864.93	GE3ZR5_D88 (x(Zr) 0.625) + GEZR3 (x(Zr) 0.75) + LIQUID (x(Zr) 0.87559)
GeZr-11Sha.tdb	1864.93	GE3ZR5_D88 (x(Zr) 0.625) + GEZR3 (x(Zr) 0.75) + LIQUID (x(Zr) 0.87549)
GeZr-11Sha.tdb	1799.4	GEZR3 (x(Zr) 0.75) + LIQUID (x(Zr) 0.89311) + BCC_A2 (x(Zr) 0.99064)
GeZr-11Sha.tdb	1799.4	GEZR3 (x(Zr) 0.75) + LIQUID (x(Zr) 0.89316) + BCC_A2 (x(Zr) 0.99065)
GeZr-11Sha.tdb	1793.07	LIQUID (x(Zr) 0.20554) + GE2ZR_C49 (x(Zr) 0.33333) + GEZR_B27 (x(Zr) 0.5)
GeZr-11Sha.tdb	1793.07	LIQUID (x(Zr) 0.20571) + GE2ZR_C49 (x(Zr) 0.33333) + GEZR_B27 (x(Zr) 0.5)
GeZr-11Sha.tdb	1793.07	LIQUID (x(Zr) 0.20546) + GE2ZR_C49 (x(Zr) 0.33333) + GEZR_B27 (x(Zr) 0.5)
GeZr-11Sha.tdb	1206.93	DIAMOND_A4 (x(Zr) 0) + LIQUID (x(Zr) 0.01287) + GE2ZR_C49 (x(Zr) 0.33333)
GeZr-11Sha.tdb	1206.93	DIAMOND_A4 (x(Zr) 0) + LIQUID (x(Zr) 0.01283) + GE2ZR_C49 (x(Zr) 0.33333)
GeZr-11Sha.tdb	1206.93	DIAMOND_A4 (x(Zr) 0) + LIQUID (x(Zr) 0.01279) + GE2ZR_C49 (x(Zr) 0.33333)
GeZr-11Sha.tdb	1168.84	GEZR3 (x(Zr) 0.75) + HCP_A3 (x(Zr) 0.99058) + BCC_A2 (x(Zr) 0.99989)
GeZr-11Sha.tdb	1168.84	GEZR3 (x(Zr) 0.75) + HCP_A3 (x(Zr) 0.99062) + BCC_A2 (x(Zr) 0.9999)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Ge–Zr system (15)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
2613	congruent melting: Liquid <=> Zr5Ge3	Liquid: Ge 0.375; Zr5Ge3: Ge 0.375	model	[1] Sha 2011	Table 5, p. 8, row 8 report
2603	congruent melting: Liquid <=> Zr5Ge3	Liquid: Ge 0.375; Zr5Ge3: Ge 0.375	experimental	[1] Sha 2011 cites Carlson 1956	Table 5, p. 8, row 7 report
2538	peritectic: Liquid + Zr5Ge3 <=> Zr5Ge4	Liquid: Ge 0.4561; Zr5Ge3: Ge 0.375; Zr5Ge4: Ge 0.4444	model	[1] Sha 2011	Table 5, p. 8, row 9 report
2513	peritectic: Liquid + Zr5Ge4 <=> ZrGe	Zr5Ge4: Ge 0.444444, Zr 0.555556; ZrGe: Ge 0.5, Zr 0.5	experimental	[1] Sha 2011 cites Carlson 1956	Table 5, p. 8, row 10 report
2498	peritectic: Liquid + Zr5Ge4 <=> ZrGe	Liquid: Ge 0.5121; Zr5Ge4: Ge 0.4444; ZrGe: Ge 0.5	model	[1] Sha 2011	Table 5, p. 8, row 11 report
1865	peritectic: Liquid + Zr5Ge3 <=> Zr3Ge	Liquid: Ge 0.1244; Zr5Ge3: Ge 0.375; Zr3Ge: Ge 0.25	model	[1] Sha 2011	Table 5, p. 8, row 6 report
1860	peritectic: Liquid + Zr5Ge3 <=> Zr3Ge	Zr5Ge3: Ge 0.375; Zr3Ge: Ge 0.25	experimental	[1] Sha 2011 cites Carlson 1956	Table 5, p. 8, row 5 report
1810	eutectic: Liquid <=> (βZr) + Zr3Ge	Liquid: Ge 0.095; (βZr): Ge 0.009; Zr3Ge: Ge 0.25	experimental	[1] Sha 2011 cites Carlson 1956	Table 5, p. 8, row 1 report
1799	eutectic: Liquid <=> (βZr) + Zr3Ge	Liquid: Ge 0.1068; (βZr): Ge 0.00936; Zr3Ge: Ge 0.25	model	[1] Sha 2011	Table 5, p. 8, row 2 report
1793	peritectic: Liquid + ZrGe <=> ZrGe2	Liquid: Ge 0.7945; ZrGe: Ge 0.5; ZrGe2: Ge 0.6667	model	[1] Sha 2011	Table 5, p. 8, row 13 report
1793	peritectic: Liquid + ZrGe <=> ZrGe2	ZrGe: Ge 0.5, Zr 0.5; ZrGe2: Ge 0.666667, Zr 0.333333	experimental	[1] Sha 2011 cites Carlson 1956	Table 5, p. 8, row 12 report
1207	eutectic: Liquid <=> (Ge) + ZrGe2	Liquid: Ge 0.9872; (Ge): Ge 1; ZrGe2: Ge 0.6667	model	[1] Sha 2011	Table 5, p. 8, row 15 report
1207	eutectic: Liquid <=> (Ge) + ZrGe2	Liquid: Ge 0.987; (Ge): Ge 1; ZrGe2: Ge 0.6667	experimental	[1] Sha 2011 cites Abriata 1986 doi	Table 5, p. 8, row 14 report
1169	peritectoid: (βZr) + Zr3Ge <=> (αZr)	(βZr): Ge 0; Zr3Ge: Ge 0.25	experimental	[1] Sha 2011 cites Carlson 1956	Table 5, p. 8, row 3 report
1169	peritectoid: (βZr) + Zr3Ge <=> (αZr)	(βZr): Ge 1.000e-4; Zr3Ge: Ge 0.25; (αZr): Ge 0.00938	model	[1] Sha 2011	Table 5, p. 8, row 4 report

Other properties

Phase equilibrium (9)

Phase equilibrium, Ge–Zr system
Property	T (K)	Phases / composition	Class	Source	Location
Phase composition	1123	Zr3Ge + Zr5Ge3 Zr3Ge: Ge 0.265, Zr 0.735; Zr5Ge3: Ge 0.371, Zr 0.629	experimental	[1] Sha 2011	Table 3, p. 2, row 2 report
Phase composition	1123	Zr3Ge + Zr5Ge3 Zr3Ge: Ge 0.245, Zr 0.755; Zr5Ge3: Ge 0.377, Zr 0.623	experimental	[1] Sha 2011	Table 3, p. 2, row 1 report
Phase composition	1123	Zr5Ge3 Zr5Ge3: Ge 0.384, Zr 0.616	experimental	[1] Sha 2011	Table 3, p. 2, row 3 report
Phase composition	1123	Zr5Ge3 + Zr5Ge4 Zr5Ge3: Ge 0.404, Zr 0.596; Zr5Ge4: Ge 0.464, Zr 0.536	experimental	[1] Sha 2011	Table 3, p. 2, row 4 report
Phase composition	1123	Zr5Ge4 + ZrGe Zr5Ge4: Ge 0.459, Zr 0.541; ZrGe: Ge 0.494, Zr 0.506	experimental	[1] Sha 2011	Table 3, p. 2, row 6 report
Phase composition	1123	Zr5Ge4 + ZrGe Zr5Ge4: Ge 0.444, Zr 0.556; ZrGe: Ge 0.496, Zr 0.504	experimental	[1] Sha 2011	Table 3, p. 2, row 5 report
Phase composition	1123	ZrGe + ZrGe2 ZrGe: Ge 0.508, Zr 0.492; ZrGe2: Ge 0.664, Zr 0.336	experimental	[1] Sha 2011	Table 3, p. 2, row 7 report
Phase composition	1123	ZrGe2 ZrGe2: Ge 0.664, Zr 0.336	experimental	[1] Sha 2011	Table 3, p. 2, row 8 report
Phase composition	1123	ZrGe2 + Ge ZrGe2: Ge 0.669, Zr 0.301; Ge: Ge 0.999, Zr 0.001	experimental	[1] Sha 2011	Table 3, p. 2, row 9 report

Crystal structure (12)

Crystal structure, Ge–Zr system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Lattice a	11.08 Å	298.15	Zr3Ge alloy: Zr 0.75	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 1 report
Lattice a	7.993 Å	298.15	Zr5Ge3 alloy: Zr 0.625	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 2 report
Lattice a	7.238 Å	298.15	Zr5Ge4 alloy: Zr 0.555556	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 3 report
Lattice a	7.068 Å	298.15	ZrGe alloy: Zr 0.5	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 4 report
Lattice a	3.789 Å	298.15	ZrGe2 alloy: Zr 0.333333	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 5 report
Lattice b	3.904 Å	298.15	ZrGe alloy: Zr 0.5	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 4 report
Lattice b	14.975 Å	298.15	ZrGe2 alloy: Zr 0.333333	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 5 report
Lattice c	5.48 Å	298.15	Zr3Ge alloy: Zr 0.75	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 1 report
Lattice c	5.594 Å	298.15	Zr5Ge3 alloy: Zr 0.625	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 2 report
Lattice c	13.154 Å	298.15	Zr5Ge4 alloy: Zr 0.555556	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 3 report
Lattice c	5.396 Å	298.15	ZrGe alloy: Zr 0.5	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 4 report
Lattice c	3.761 Å	298.15	ZrGe2 alloy: Zr 0.333333	experimental	[1] Sha 2011 cites Rudometkina 1988 doi	Table 1, p. 2, row 5 report

Sources

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

Chunsheng Sha, Liangcai Zhou, Shuhong Liu, Yong Du, Tie Gang, Honghui Xu, Phase equilibria and thermodynamic modeling in the Ge–Zr binary system, J Mater Sci 46, 1405-1413 (2011). doi:10.1007/s10853-010-4934-1

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}
}