Ga–Y system

51 accepted literature values from 1 paper(s) (experimental 23, model 28); 1 calculated phase diagram(s). 6 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 (10) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	23
model	28

Accepted values by property group
Property group	Values
invariant reaction	19
phase transition	6
formation	23
mixing / partial	3

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
GaY-13Idb.tdb	M. Idbenali, C. Servant, J. Therm. Anal. Calorim., 112, 245-53(2013). doi:10.1007/s10973-012-2861-x	`cbddd22351605c045afe0d705d5ffd6c73c043a0c067ec7e6ee22e023b3785de`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
GaY-13Idb.tdb	1557.13	GAY_B33 (x(Y) 0.5) + LIQUID (x(Y) 0.58341) + GA3Y5_D88 (x(Y) 0.625)
GaY-13Idb.tdb	1557.13	GAY_B33 (x(Y) 0.5) + LIQUID (x(Y) 0.58338) + GA3Y5_D88 (x(Y) 0.625)
GaY-13Idb.tdb	1543.04	GA2Y_C32 (x(Y) 0.33333) + LIQUID (x(Y) 0.40866) + GAY_B33 (x(Y) 0.5)
GaY-13Idb.tdb	1543.04	GA2Y_C32 (x(Y) 0.33333) + LIQUID (x(Y) 0.40867) + GAY_B33 (x(Y) 0.5)
GaY-13Idb.tdb	1272.72	GAY_B33 (x(Y) 0.5) + GA3Y5_D88 (x(Y) 0.625) + GA3Y5_MT (x(Y) 0.625)
GaY-13Idb.tdb	1073.42	GAY_B33 (x(Y) 0.5) + GA3Y5_LT (x(Y) 0.625) + GA3Y5_MT (x(Y) 0.625)
GaY-13Idb.tdb	1073.42	GA3Y5_MT (x(Y) 0.625) + GA3Y5_LT (x(Y) 0.625) + HCP_A3 (x(Y) 1)
GaY-13Idb.tdb	302.32	ORTHORHOMBIC_A11 (x(Y) 0) + LIQUID (x(Y) 0.0054) + GA2Y_C32 (x(Y) 0.33333)
GaY-13Idb.tdb	302.32	ORTHORHOMBIC_A11 (x(Y) 0) + LIQUID (x(Y) 0.00538) + GA2Y_C32 (x(Y) 0.33333)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Ga–Y system (19)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1752	α(Y) -> β(Y) + Liq	L: Y 0.9786	model	[1] Idbenali 2013	Table 4, p. 5, row 27 report
1751	α(Y) -> β(Y) + Liq	L: Y 0.982	model	[1] Idbenali 2013	Table 4, p. 5, row 26 report
1751	α(Y) -> β(Y) + Liq	L: Y 0.963	experimental	[1] Idbenali 2013 cites Yatsenko 1979 doi	Table 4, p. 5, row 25 report
1568	H_Ga3Y5 -> Liq + GaY	H_Ga3Y5: Y 0.625; L: Y 0.58; GaY: Y 0.5	model	[1] Idbenali 2013	Table 4, p. 5, row 14 report
1568	H_Ga3Y5 -> Liq + GaY	H_Ga3Y5: Y 0.625; L: Y 0.5937; GaY: Y 0.5	model	[1] Idbenali 2013	Table 4, p. 5, row 15 report
1568	H_Ga3Y5 -> Liq + GaY	H_Ga3Y5: Y 0.625; L: Y 0.625; GaY: Y 0.5	experimental	[1] Idbenali 2013 cites Yatsenko 1979 doi	Table 4, p. 5, row 13 report
1559	eutectic: Liq -> Ga2Y + GaY	L: Y 0.4053; Ga2Y: Y 0.333333; GaY: Y 0.5	model	[1] Idbenali 2013	Table 4, p. 5, row 9 report
1544	eutectic: Liq -> Ga2Y + GaY	L: Y 0.46; Ga2Y: Y 0.333333; GaY: Y 0.5	model	[1] Idbenali 2013	Table 4, p. 5, row 8 report
1543	eutectic: Liq -> Ga2Y + GaY	L: Y 0.43; Ga2Y: Y 0.333333; GaY: Y 0.5	experimental	[1] Idbenali 2013 cites Yatsenko 1979 doi	Table 4, p. 5, row 7 report
1286	eutectic: Liq -> H_Ga3Y5 + α(Y)	L: Y 0.8; H_Ga3Y5: Y 0.625	experimental	[1] Idbenali 2013 cites Yatsenko 1979 doi	Table 4, p. 5, row 16 report
1283	eutectic: Liq -> H_Ga3Y5 + α(Y)	L: Y 0.815; H_Ga3Y5: Y 0.625	model	[1] Idbenali 2013	Table 4, p. 5, row 17 report
1283	eutectic: Liq -> H_Ga3Y5 + α(Y)	L: Y 0.7747; H_Ga3Y5: Y 0.625	model	[1] Idbenali 2013	Table 4, p. 5, row 18 report
1273	H_Ga3Y5 -> M_Ga3Y5 + α(Y)	H_Ga3Y5: Y 0.625; M_Ga3Y5: Y 0.615	experimental	[1] Idbenali 2013 cites Yatsenko 1979 doi	Table 4, p. 5, row 19 report
1273	H_Ga3Y5 -> M_Ga3Y5 + α(Y)	H_Ga3Y5: Y 0.625; M_Ga3Y5: Y 0.625	model	[1] Idbenali 2013	Table 4, p. 5, row 21 report
1073	M_Ga3Y5 -> L_Ga3Y5 + α(Y)	M_Ga3Y5: Y 0.625; L_Ga3Y5: Y 0.625	model	[1] Idbenali 2013	Table 4, p. 5, row 24 report
1073	M_Ga3Y5 -> L_Ga3Y5 + α(Y)	M_Ga3Y5: Y 0.625; L_Ga3Y5: Y 0.625	experimental	[1] Idbenali 2013 cites Yatsenko 1979 doi	Table 4, p. 5, row 22 report
303	(Ga) -> Liq + Ga2Y	(Ga): Y 0; L: Y 1.000e-4; Ga2Y: Y 0.333333	experimental	[1] Idbenali 2013 cites Yatsenko 1979 doi	Table 4, p. 5, row 1 report
302	(Ga) -> Liq + Ga2Y	(Ga): Y 0; L: Y 0.0057; Ga2Y: Y 0.333333	model	[1] Idbenali 2013	Table 4, p. 5, row 2 report
300.7	(Ga) -> Liq + Ga2Y	(Ga): Y 0; L: Y 0.0235; Ga2Y: Y 0.333333	model	[1] Idbenali 2013	Table 4, p. 5, row 3 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, Ga–Y system (23)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location
Ga2Y	Ga2Y	-74.6 kJ/mol-atom ± 1.5	298.15	experimental	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013 cites Meschel 2000 doi	Table 5, p. 7, row 11 report
Ga2Y	Ga2Y	-73.49 kJ/mol-atom	298.15	model	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013	Table 5, p. 7, row 4 report
Ga2Y	Ga2Y	-73.47 kJ/mol-atom	298.15	model	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013	Table 5, p. 7, row 3 report
Ga2Y	Ga2Y	-72.1 kJ/mol-atom ± 1.3	298.15	experimental	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013 cites Meschel 2000 doi	Table 5, p. 7, row 9 report
Ga2Y	Ga2Y	-70.9 kJ/mol-atom ± 1.5	298.15	experimental	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013 cites Yamshchikov 1979	Table 5, p. 7, row 12 report
Ga2Y	Ga2Y	-69 kJ/mol-atom	298.15	experimental	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013 cites Merker 1991 doi	Table 5, p. 7, row 8 report
Ga2Y	Ga2Y	-68.4 kJ/mol-atom ± 1.3	298.15	experimental	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013 cites Yamshchikov 1979	Table 5, p. 7, row 10 report
Ga2Y	Ga2Y	-68.1 kJ/mol-atom ± 2.3	298.15	experimental	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013 cites Meschel 2000 doi	Table 5, p. 7, row 7 report
Ga2Y	Ga2Y	-65 kJ/mol-atom	298.15	model	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013 cites de Boer FR 1988	Table 5, p. 7, row 5 report
Ga2Y	Ga2Y	-64.4 kJ/mol-atom ± 2.5	298.15	experimental	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013 cites Babu 2000 doi	Table 5, p. 7, row 6 report
Ga2Y	Ga2Y	-61.8 kJ/mol-atom ± 2.8	298.15	experimental	-64.044 (mp-aaaaacvq)	-63.776 (oqmd-30368)	[1] Idbenali 2013 cites Babu 2000 doi	Table 5, p. 7, row 2 report
Ga3Y5	Ga3Y5	-64 kJ/mol-atom	298.15	model	-50.575 (mp-aaabmgma)	-50.713 (oqmd-18353)	[1] Idbenali 2013	Table 5, p. 7, row 21 report
Ga3Y5	Ga3Y5	-63.99 kJ/mol-atom	298.15	model	-50.575 (mp-aaabmgma)	-50.713 (oqmd-18353)	[1] Idbenali 2013	Table 5, p. 7, row 20 report
Ga3Y5	Ga3Y5	-61 kJ/mol-atom	298.15	model	-50.575 (mp-aaabmgma)	-50.713 (oqmd-18353)	[1] Idbenali 2013 cites de Boer FR 1988	Table 5, p. 7, row 22 report
Ga3Y5	Ga3Y5	-59.6 kJ/mol-atom ± 3.6	298.15	experimental	-50.575 (mp-aaabmgma)	-50.713 (oqmd-18353)	[1] Idbenali 2013 cites Babu 2000 doi	Table 5, p. 7, row 23 report
Ga3Y5	Ga3Y5	-57 kJ/mol-atom	298.15	experimental	-50.575 (mp-aaabmgma)	-50.713 (oqmd-18353)	[1] Idbenali 2013 cites Merker 1991 doi	Table 5, p. 7, row 19 report
Ga6Y	Ga6Y	-35 kJ/mol-atom	298.15	model	-29.959 (mp-aaaabtkb)	-30.859 (oqmd-17313)	[1] Idbenali 2013	Table 5, p. 7, row 1 report
GaY	GaY	-75.2 kJ/mol-atom	298.15	model	-64.449 (mp-aaaaaqxg)	-64.338 (oqmd-30366)	[1] Idbenali 2013	Table 5, p. 7, row 14 report
GaY	GaY	-75.19 kJ/mol-atom	298.15	model	-64.449 (mp-aaaaaqxg)	-64.338 (oqmd-30366)	[1] Idbenali 2013	Table 5, p. 7, row 15 report
GaY	GaY	-73 kJ/mol-atom	298.15	model	-64.449 (mp-aaaaaqxg)	-64.338 (oqmd-30366)	[1] Idbenali 2013 cites de Boer FR 1988	Table 5, p. 7, row 16 report
GaY	GaY	-71.4 kJ/mol-atom ± 1.7	298.15	experimental	-64.449 (mp-aaaaaqxg)	-64.338 (oqmd-30366)	[1] Idbenali 2013 cites Meschel 2000 doi	Table 5, p. 7, row 17 report
GaY	GaY	-71 kJ/mol-atom	298.15	experimental	-64.449 (mp-aaaaaqxg)	-64.338 (oqmd-30366)	[1] Idbenali 2013 cites Merker 1991 doi	Table 5, p. 7, row 18 report
GaY	GaY	-68.9 kJ/mol-atom ± 2.8	298.15	experimental	-64.449 (mp-aaaaaqxg)	-64.338 (oqmd-30366)	[1] Idbenali 2013 cites Babu 2000 doi	Table 5, p. 7, row 13 report

Other properties

Phase transition (6)

Phase transition, Ga–Y system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Phase transition	1615 K	1615	Liq -> Ga2Y Ga2Y: Y 0.3367	model	[1] Idbenali 2013	Table 4, p. 5, row 6 report
Phase transition	1623 K	1623	Liq -> Ga2Y Ga2Y: Y 0.3333	experimental	[1] Idbenali 2013 cites Yatsenko 1979 doi	Table 4, p. 5, row 4 report
Phase transition	1624 K	1624	Liq -> Ga2Y Ga2Y: Y 0.332	model	[1] Idbenali 2013	Table 4, p. 5, row 5 report
Phase transition	1658 K	1658	Liq -> GaY GaY: Y 0.5	experimental	[1] Idbenali 2013 cites Yatsenko 1979 doi	Table 4, p. 5, row 10 report
Phase transition	1666 K	1666	Liq -> GaY GaY: Y 0.5	model	[1] Idbenali 2013	Table 4, p. 5, row 12 report
Phase transition	1672 K	1672	Liq -> GaY GaY: Y 0.5	model	[1] Idbenali 2013	Table 4, p. 5, row 11 report

Mixing / partial (3)

Mixing / partial, Ga–Y system
Property	Value	T (K)	Class	Source	Location	Quote
Partial enthalpy printed: partial enthalpy of liquid Y in liquid Ga	-180.25 unspecified	14	model	[1] Idbenali 2013 cites de Boer FR 1988	p. 8 report	liquid Y in liquid Ga (R-K equation) at 1,750 K (-181 kJ mol-1 at.-1) is in good agreement with the data (-181.63 ± 7.93 kJ mol-1 at.-1) by [6] or (-184.4 ± 5.3 kJ mol-1 at.-1) by [24] at 1,099 K or the predicted value (-180.25 kJ mol-1 at.-1) by [27] at 14 K (Table 5).
Partial enthalpy printed: partial enthalpy of liquid Y in liquid Ga	-184.4 unspecified ± 5.3	1099	experimental	[1] Idbenali 2013 cites Babu 2000 doi	p. 8 report	liquid Y in liquid Ga (R-K equation) at 1,750 K (-181 kJ mol-1 at.-1) is in good agreement with the data (-181.63 ± 7.93 kJ mol-1 at.-1) by [6] or (-184.4 ± 5.3 kJ mol-1 at.-1) by [24] at 1,099 K or the predicted value (-180.25 kJ mol-1 at.-1) by [27] at 14 K (Table 5).
Partial enthalpy printed: partial enthalpy of liquid Y in liquid Ga	-181 kJ/mol-atom	1750	model	[1] Idbenali 2013	p. 8 report	liquid Y in liquid Ga (R-K equation) at 1,750 K (-181 kJ mol-1 at.-1) is in good agreement with the data (-181.63 ± 7.93 kJ mol-1 at.-1) by [6] or (-184.4 ± 5.3 kJ mol-1 at.-1) by [24] at 1,099 K or the predicted value (-180.25 kJ mol-1 at.-1) by [27] at 14 K (Table 5).

Sources

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

M. Idbenali, C. Servant, Thermodynamic evaluation of the Ga–Y system, J Therm Anal Calorim 112, 245-253 (2013). doi:10.1007/s10973-012-2861-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}
}