Gd–Sb system

24 accepted literature values from 1 paper(s) (experimental 15, model 9); 1 calculated phase diagram(s). 10 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	15
model	9

Accepted values by property group
Property group	Values
invariant reaction	21
phase transition	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
GdSb-07Li.tdb	J.Q. Li, Y.X. Jian, H.L. Chen, Y.Q. Liu, Intermetallics, 15, 1332-36(2007). doi:10.1016/j.intermet.2007.04.003	`c37a95274d9b860ffa5ace0ed727aad610df3354f1cb4c86e785579a568f8535`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
GdSb-07Li.tdb	2113.15	GDSB_B1 (x(Sb) 0.5) + GDSB_BETA (x(Sb) 0.5) + LIQUID (x(Sb) 0.64153)
GdSb-07Li.tdb	2113.15	LIQUID (x(Sb) 0.36754) + GDSB_B1 (x(Sb) 0.5) + GDSB_BETA (x(Sb) 0.5)
GdSb-07Li.tdb	2047.6	LIQUID (x(Sb) 0.35167) + GD4SB3_D73 (x(Sb) 0.42857) + GDSB_B1 (x(Sb) 0.5)
GdSb-07Li.tdb	2047.6	LIQUID (x(Sb) 0.35174) + GD4SB3_D73 (x(Sb) 0.42857) + GDSB_B1 (x(Sb) 0.5)
GdSb-07Li.tdb	1917.33	LIQUID (x(Sb) 0.3029) + GD5SB3_D88 (x(Sb) 0.375) + GD4SB3_D73 (x(Sb) 0.42857)
GdSb-07Li.tdb	1917.33	LIQUID (x(Sb) 0.30305) + GD5SB3_D88 (x(Sb) 0.375) + GD4SB3_D73 (x(Sb) 0.42857)
GdSb-07Li.tdb	1917.33	LIQUID (x(Sb) 0.30285) + GD5SB3_D88 (x(Sb) 0.375) + GD4SB3_D73 (x(Sb) 0.42857)
GdSb-07Li.tdb	1500.84	HCP_A3 (x(Sb) 0.01831) + BCC_A2 (x(Sb) 0.01911) + LIQUID (x(Sb) 0.05799)
GdSb-07Li.tdb	1390.3	HCP_A3 (x(Sb) 0.04021) + LIQUID (x(Sb) 0.10843) + GD5SB3_D88 (x(Sb) 0.375)
GdSb-07Li.tdb	1390.3	HCP_A3 (x(Sb) 0.04024) + LIQUID (x(Sb) 0.10848) + GD5SB3_D88 (x(Sb) 0.375)
GdSb-07Li.tdb	1053.73	GDSB_B1 (x(Sb) 0.5) + GD16SB39 (x(Sb) 0.70909) + LIQUID (x(Sb) 0.9666)
GdSb-07Li.tdb	1053.73	GDSB_B1 (x(Sb) 0.5) + GD16SB39 (x(Sb) 0.70909) + LIQUID (x(Sb) 0.96649)
GdSb-07Li.tdb	902.91	GD16SB39 (x(Sb) 0.70909) + LIQUID (x(Sb) 0.99731) + RHOMBOHEDRAL_A7 (x(Sb) 1)
GdSb-07Li.tdb	902.91	GD16SB39 (x(Sb) 0.70909) + LIQUID (x(Sb) 0.99737) + RHOMBOHEDRAL_A7 (x(Sb) 1)
GdSb-07Li.tdb	902.91	GD16SB39 (x(Sb) 0.70909) + LIQUID (x(Sb) 0.99738) + RHOMBOHEDRAL_A7 (x(Sb) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Gd–Sb system (21)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location	Quote
2403	congruent melting: L -> βGdSb	L: Sb 0.5; βGdSb: Sb 0.5	experimental	[1] Li 2007 cites Abdusalyamova 1986 doi	Table 2, p. 4, row 12 report
2401	congruent melting: L -> βGdSb	L: Sb 0.5; βGdSb: Sb 0.5	model	[1] Li 2007	Table 2, p. 4, row 11 report
2113	polymorphic: BGdSb -> αGdSb	BGdSb: Sb 0.5; αGdSb: Gd 0.5, Sb 0.5	model	[1] Li 2007	Table 2, p. 4, row 13 report
2113	polymorphic: BGdSb -> αGdSb	BGdSb: Sb 0.5; αGdSb: Gd 0.5, Sb 0.5	experimental	[1] Li 2007 cites Abdusalyamova 1986 doi	Table 2, p. 4, row 14 report
2048	L + Gd4Sb3 -> GdSb	L: Sb 0.3517; Gd4Sb3: Sb 0.4286; GdSb: Sb 0.5	model	[1] Li 2007	Table 2, p. 4, row 9 report
2043	L + Gd4Sb3 -> GdSb	L: Sb 0.389; Gd4Sb3: Sb 0.4286; GdSb: Sb 0.5	experimental	[1] Li 2007 cites Abdusalyamova 1986 doi	Table 2, p. 4, row 10 report
1917	L + Gd5Sb3 -> Gd4Sb3	L: Sb 0.3029; Gd5Sb3: Sb 0.375; Gd4Sb3: Sb 0.4286	model	[1] Li 2007	Table 2, p. 4, row 7 report
1913	L + Gd5Sb3 -> Gd4Sb3	L: Sb 0.35; Gd5Sb3: Sb 0.375; Gd4Sb3: Sb 0.4286	experimental	[1] Li 2007 cites Abdusalyamova 1986 doi	Table 2, p. 4, row 8 report
1586	congruent melting: L -> βGd	βGd: Sb 0	experimental	[1] Li 2007 cites Abdusalyamova 1986 doi	Table 2, p. 4, row 2 report
1586	congruent melting: L -> βGd	βGd: Sb 0	model	[1] Li 2007	Table 2, p. 4, row 1 report
1505	L + βGd -> αGd	L: Sb 0.065; βGd: Sb 0.025; αGd: Sb 0.02	experimental	[1] Li 2007 cites Abdusalyamova 1986 doi	Table 2, p. 4, row 4 report
1504	L + GdSb2 -> GdSb	L: Sb 0.9665; GdSb2: Sb 0.709; GdSb: Sb 0.5	model	[1] Li 2007	Table 2, p. 4, row 15 report
1501	L + βGd -> αGd	L: Sb 0.058; βGd: Sb 0.0191; αGd: Sb 0.0183	model	[1] Li 2007	Table 2, p. 4, row 3 report
1401.15	eutectic		experimental	[1] Li 2007 cites Gambino 1967 doi	p. 1 report	An eutectic reaction between (Gd) and Gd5Sb3 occurs at 1128 C.
1393	eutectic: L -> αGd + Gd5Sb3	L: Sb 0.135; αGd: Sb 0.025; Gd5Sb3: Sb 0.375	experimental	[1] Li 2007 cites Abdusalyamova 1986 doi	Table 2, p. 4, row 6 report
1390	eutectic: L -> αGd + Gd5Sb3	L: Sb 0.1018; αGd: Sb 0.0402; Gd5Sb3: Sb 0.375	model	[1] Li 2007	Table 2, p. 4, row 5 report
1053.15	peritectic		experimental	[1] Li 2007	p. 2 report	The newly found compound, GdSb2 forms peritectically at 780 C and a corresponding eutectic reaction between GdSb and Sb was determined to be 624 C.
1053	L + GdSb2 -> GdSb	L: Sb 0.958; GdSb2: Sb 0.7091; GdSb: Sb 0.5	experimental	[1] Li 2007 cites Abdusalyamova 1986 doi	Table 2, p. 4, row 16 report
903	eutectic: L -> GdSb2 + Sb	GdSb2: Sb 0.709; Sb: Sb 1	model	[1] Li 2007	Table 2, p. 4, row 17 report
897.15	eutectic		experimental	[1] Li 2007	p. 2 report	The newly found compound, GdSb2 forms peritectically at 780 C and a corresponding eutectic reaction between GdSb and Sb was determined to be 624 C.
897	eutectic: L -> GdSb2 + Sb	GdSb2: Sb 0.7091; Sb: Sb 1	experimental	[1] Li 2007 cites Abdusalyamova 1986 doi	Table 2, p. 4, row 18 report

Other properties

Phase transition (3)

Phase transition, Gd–Sb system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	2113 K	2113	polymorphic: aGdSb -> bGdSb	experimental	[1] Li 2007	p. 3 report	Since the allotropic transition aGdSb 4 bGdSb occurs at 2113 K, the following constrains can be applied: b b a1 aa1 b1 ba1 1⁄4 2113
Phase transition	2403.15 K	2403.15	congruent transformation	experimental	[1] Li 2007	p. 2 report	An allotropic transition at 1840 C had been observed for GdSb and its congruent melting point was updated to be 2130 C, which is befittingly lower than 2143 C reported in Ref. [3] and 2138 C in Ref. [4].
Phase transition	2411.15 K	2411.15	congruent transformation	experimental	[1] Li 2007 cites Gerasimov 1971	p. 2 report	An allotropic transition at 1840 C had been observed for GdSb and its congruent melting point was updated to be 2130 C, which is befittingly lower than 2143 C reported in Ref. [3] and 2138 C in Ref. [4].

Sources

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

J.Q. Li, Y.X. Jian, H.L. Chen, Y.Q. Liu, Thermodynamic assessment of the Gd–Sb system, Intermetallics 15, 1332-1336 (2007). doi:10.1016/j.intermet.2007.04.003

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}
}