Ga–Tb system

20 accepted literature values from 1 paper(s) (experimental 12, 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	12
model	8

Accepted values by property group
Property group	Values
invariant reaction	18
phase transition	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
GaTb-08Jun.tdb	Z.K. Jun, L.B. Liu, H.S. Liu, X.M. Huang, Z.P. Jin, J. Alloys Compd., 463, 511-15(2008). doi:10.1016/j.jallcom.2007.09.067	`3ddebb20811fd6e250ec22340ee168224dec8872d96fce7d11df35ae224faa10`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
GaTb-08Jun.tdb	1561.96	LIQUID (x(Tb) 0.97104) + BCC_A2 (x(Tb) 0.99996) + HCP_A3 (x(Tb) 0.99997)
GaTb-08Jun.tdb	1561.96	LIQUID (x(Tb) 0.97104) + BCC_A2 (x(Tb) 0.99996) + HCP_A3 (x(Tb) 0.99997)
GaTb-08Jun.tdb	1561.96	LIQUID (x(Tb) 0.97104) + BCC_A2 (x(Tb) 0.99996) + HCP_A3 (x(Tb) 0.99997)
GaTb-08Jun.tdb	1488.78	GA2TB_C32 (x(Tb) 0.33333) + GATB_B33 (x(Tb) 0.5) + LIQUID (x(Tb) 0.51357)
GaTb-08Jun.tdb	1488.77	GA2TB_C32 (x(Tb) 0.33333) + GATB_B33 (x(Tb) 0.5) + LIQUID (x(Tb) 0.51406)
GaTb-08Jun.tdb	1488.77	GA2TB_C32 (x(Tb) 0.33333) + GATB_B33 (x(Tb) 0.5) + LIQUID (x(Tb) 0.51412)
GaTb-08Jun.tdb	1397.77	GATB_B33 (x(Tb) 0.5) + GA3TB5_D8L (x(Tb) 0.625) + LIQUID (x(Tb) 0.62614)
GaTb-08Jun.tdb	1397.77	GATB_B33 (x(Tb) 0.5) + GA3TB5_D8L (x(Tb) 0.625) + LIQUID (x(Tb) 0.62603)
GaTb-08Jun.tdb	1397.77	GATB_B33 (x(Tb) 0.5) + GA3TB5_D8L (x(Tb) 0.625) + LIQUID (x(Tb) 0.62617)
GaTb-08Jun.tdb	1283.02	LIQUID (x(Tb) 0.08013) + GA3TB (x(Tb) 0.25) + GA2TB_C32 (x(Tb) 0.33333)
GaTb-08Jun.tdb	1283.02	LIQUID (x(Tb) 0.08015) + GA3TB (x(Tb) 0.25) + GA2TB_C32 (x(Tb) 0.33333)
GaTb-08Jun.tdb	1150.39	GA3TB5_D8L (x(Tb) 0.625) + LIQUID (x(Tb) 0.81516) + HCP_A3 (x(Tb) 0.99988)
GaTb-08Jun.tdb	1150.39	GA3TB5_D8L (x(Tb) 0.625) + LIQUID (x(Tb) 0.81513) + HCP_A3 (x(Tb) 0.99988)
GaTb-08Jun.tdb	669.9	LIQUID (x(Tb) 0.00191) + GA6TB (x(Tb) 0.14286) + GA3TB (x(Tb) 0.25)
GaTb-08Jun.tdb	669.9	LIQUID (x(Tb) 0.0019) + GA6TB (x(Tb) 0.14286) + GA3TB (x(Tb) 0.25)
GaTb-08Jun.tdb	669.9	LIQUID (x(Tb) 0.0019) + GA6TB (x(Tb) 0.14286) + GA3TB (x(Tb) 0.25)
GaTb-08Jun.tdb	302.91	ORTHORHOMBIC_A11 (x(Tb) 0) + LIQUID (x(Tb) 0) + GA6TB (x(Tb) 0.14286)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Ga–Tb system (18)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location	Quote
1657	congruent melting: L -> Ga2Tb	L: Ga 0.666667, Tb 0.333333; Ga2Tb: Ga 0.666667, Tb 0.333333	model	[1] Jun 2008	Table 4, p. 4, row 12 report
1653	congruent melting: L -> Ga2Tb	L: Ga 0.666667, Tb 0.333333; Ga2Tb: Ga 0.666667, Tb 0.333333	experimental	[1] Jun 2008 cites Yatsenko 1979 doi	Table 4, p. 4, row 11 report
1489	peritectic: L + Ga2Tb -> GaTb	L: Ga 0.486; Ga2Tb: Ga 0.666667, Tb 0.333333; GaTb: Ga 0.5, Tb 0.5	model	[1] Jun 2008	Table 4, p. 4, row 6 report
1483	peritectic: L + Ga2Tb -> GaTb	L: Ga 0.486; Ga2Tb: Ga 0.666667, Tb 0.333333; GaTb: Ga 0.5, Tb 0.5	experimental	[1] Jun 2008 cites Yatsenko 1979 doi	Table 4, p. 4, row 5 report
1483	peritectic		experimental	[1] Jun 2008	p. 2 report	Among these compounds, Ga2 Tb melts congruently at 1653 K, Ga3 Tb5 and GaTb formed in peritectic reactions at 1403 and 1483 K, respectively.
1403	peritectic: L + GaTb -> Ga3Tb5	L: Ga 0.374; GaTb: Ga 0.5, Tb 0.5; Ga3Tb5: Ga 0.375, Tb 0.625	experimental	[1] Jun 2008 cites Yatsenko 1979 doi	Table 4, p. 4, row 3 report
1403	peritectic		experimental	[1] Jun 2008	p. 2 report	Among these compounds, Ga2 Tb melts congruently at 1653 K, Ga3 Tb5 and GaTb formed in peritectic reactions at 1403 and 1483 K, respectively.
1398	peritectic: L + GaTb -> Ga3Tb5	L: Ga 0.374; GaTb: Ga 0.5, Tb 0.5; Ga3Tb5: Ga 0.375, Tb 0.625	model	[1] Jun 2008	Table 4, p. 4, row 4 report
1283	peritectic: L + Ga2Tb -> Ga3Tb	L: Ga 0.92; Ga2Tb: Ga 0.666667, Tb 0.333333; Ga3Tb: Ga 0.75, Tb 0.25	model	[1] Jun 2008	Table 4, p. 4, row 8 report
1283	peritectic: L + Ga2Tb -> Ga3Tb	L: Ga 0.92; Ga2Tb: Ga 0.666667, Tb 0.333333; Ga3Tb: Ga 0.75, Tb 0.25	experimental	[1] Jun 2008 cites Cirafici 1981 doi	Table 4, p. 4, row 7 report
1283	peritectic		experimental	[1] Jun 2008 cites Cirafici 1981 doi	p. 2 report	Cirafici et al. [25] determined the Ga3 Tb by using X-ray powder and single-crystal methods, the compound Ga3 Tb melts peritectically at about 1283 K and crystallizes in two structure types.
1153	eutectic: L -> hcp (Tb) + Ga3Tb5	L: Ga 0.2; Ga3Tb5: Ga 0.375, Tb 0.625	experimental	[1] Jun 2008 cites Yatsenko 1979 doi	Table 4, p. 4, row 1 report
1150	eutectic: L -> hcp (Tb) + Ga3Tb5	L: Ga 0.185; Ga3Tb5: Ga 0.375, Tb 0.625	model	[1] Jun 2008	Table 4, p. 4, row 2 report
670	peritectic: L + Ga3Tb -> Ga6Tb	L: Ga 0.998; Ga3Tb: Ga 0.75, Tb 0.25; Ga6Tb: Ga 0.857143, Tb 0.142857	experimental	[1] Jun 2008 cites Pelleg 1981 doi	Table 4, p. 4, row 9 report
670	peritectic		experimental	[1] Jun 2008 cites Pelleg 1981 doi	p. 2 report	Later, Pelleg [24] investigated the phase Ga6 Tb by XRD and DTA method and found that Ga6 Tb formed through a peritectic reaction at 670 K.
670	peritectic: L + Ga3Tb -> Ga6Tb	L: Ga 0.998; Ga3Tb: Ga 0.75, Tb 0.25; Ga6Tb: Ga 0.857143, Tb 0.142857	model	[1] Jun 2008	Table 4, p. 4, row 10 report
303	eutectic: L -> orth (Ga) + Ga6Tb	L: Ga 0.01; Ga6Tb: Ga 0.857143, Tb 0.142857	model	[1] Jun 2008	Table 4, p. 4, row 14 report
303	eutectic: L -> orth (Ga) + Ga6Tb	Ga6Tb: Ga 0.857143, Tb 0.142857	experimental	[1] Jun 2008 cites Yatsenko 1979 doi	Table 4, p. 4, row 13 report

Other properties

Phase transition (2)

Phase transition, Ga–Tb system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	1653 K	1653	congruent transformation	experimental	[1] Jun 2008	p. 2 report	Among these compounds, Ga2 Tb melts congruently at 1653 K, Ga3 Tb5 and GaTb formed in peritectic reactions at 1403 and 1483 K, respectively.
Phase transition	1657 K	1657	congruent transformation	model	[1] Jun 2008	p. 4 report	The calculated congruent-melting point of the Ga2 Tb phase is 1657 K and the temperature of Ga3 Tb5 , GaTb, Ga3 Tb and Ga6 Tb peritectic reactions obtained in this work agree well with those given by Yatsenko [21], Pelleg [24] and Cirafici [25].

Sources

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

Z.K. Jun, L.B. Liu, H.S. Liu, X.M. Huang, Z.P. Jin, Thermodynamic assessment of the Ga–Sc and Ga–Tb systems, Journal of Alloys and Compounds 463, 511-515 (2008). doi:10.1016/j.jallcom.2007.09.067

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}
}