Au–Lu system

22 accepted literature values from 1 paper(s) (experimental 12, model 10); 1 calculated phase diagram(s). 7 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 (9) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	12
model	10

Accepted values by property group
Property group	Values
invariant reaction	22

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
AuLu-16Wan.tdb	S.L. Wang, J.L. Li, L.L. Qiu, L.J. Zhou, Y.H. Li, C.Q. Ren, C.Y. Fu, Y.H. Lin, C.P. Wang, X.J. Liu, J. Phase Equilib Diffus., 37, 319-26(2016). doi:10.1007/s11669-016-0460-4	`a48c8c77ccf4a8820b7c8d325a152709628996fa8be4376aa8f529aa0a37855b`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
AuLu-16Wan.tdb	1603.83	AULU_B2 (x(Lu) 0.5) + AULU2_C37 (x(Lu) 0.66667) + LIQUID (x(Lu) 0.68255)
AuLu-16Wan.tdb	1603.83	AULU_B2 (x(Lu) 0.5) + AULU2_C37 (x(Lu) 0.66667) + LIQUID (x(Lu) 0.68254)
AuLu-16Wan.tdb	1603.83	AULU_B2 (x(Lu) 0.5) + AULU2_C37 (x(Lu) 0.66667) + LIQUID (x(Lu) 0.68257)
AuLu-16Wan.tdb	1448.9	AULU2_C37 (x(Lu) 0.66667) + LIQUID (x(Lu) 0.794) + HCP_A3 (x(Lu) 1)
AuLu-16Wan.tdb	1448.9	AULU2_C37 (x(Lu) 0.66667) + LIQUID (x(Lu) 0.79406) + HCP_A3 (x(Lu) 1)
AuLu-16Wan.tdb	1400.31	LIQUID (x(Lu) 0.3254) + AU2LU_C11B (x(Lu) 0.33333) + AULU_B2 (x(Lu) 0.5)
AuLu-16Wan.tdb	1400.31	LIQUID (x(Lu) 0.32553) + AU2LU_C11B (x(Lu) 0.33333) + AULU_B2 (x(Lu) 0.5)
AuLu-16Wan.tdb	1327.75	AU3LU_D0A (x(Lu) 0.25) + LIQUID (x(Lu) 0.27819) + AU2LU_C11B (x(Lu) 0.33333)
AuLu-16Wan.tdb	1327.75	AU3LU_D0A (x(Lu) 0.25) + LIQUID (x(Lu) 0.27823) + AU2LU_C11B (x(Lu) 0.33333)
AuLu-16Wan.tdb	1327.75	AU3LU_D0A (x(Lu) 0.25) + LIQUID (x(Lu) 0.27832) + AU2LU_C11B (x(Lu) 0.33333)
AuLu-16Wan.tdb	1301.38	AU4LU_D1A (x(Lu) 0.2) + LIQUID (x(Lu) 0.20774) + AU3LU_D0A (x(Lu) 0.25)
AuLu-16Wan.tdb	1301.37	AU4LU_D1A (x(Lu) 0.2) + LIQUID (x(Lu) 0.20751) + AU3LU_D0A (x(Lu) 0.25)
AuLu-16Wan.tdb	1162.09	FCC_A1 (x(Lu) 0.07866) + LIQUID (x(Lu) 0.11763) + AU4LU_D1A (x(Lu) 0.2)
AuLu-16Wan.tdb	498.36	AU4LU_D1A (x(Lu) 0.2) + AU3LU_D0A (x(Lu) 0.25) + AU2LU_C11B (x(Lu) 0.33333)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Au–Lu system (22)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
2053.15	congruent melting: L -> AuLu	L: Lu 0.5; AuLu: Lu 0.5	experimental	[1] Wang 2016 cites McMasters 1971	Table 4, p. 6, row 6 report
2053.15	congruent melting: L -> AuLu	L: Lu 0.5; AuLu: Lu 0.5	experimental	[1] Wang 2016 cites Gschneidner 1992	Table 4, p. 6, row 5 report
2052.75	congruent melting: L -> AuLu	L: Lu 0.5; AuLu: Lu 0.5	model	[1] Wang 2016	Table 4, p. 6, row 7 report
1604.15	peritectic: L + AuLu -> AuLu2	L: Lu 0.682; AuLu: Lu 0.5; AuLu2: Lu 0.667	model	[1] Wang 2016	Table 4, p. 6, row 4 report
1604.15	peritectic: L + AuLu -> AuLu2	L: Lu 0.677; AuLu: Lu 0.5; AuLu2: Lu 0.667	experimental	[1] Wang 2016 cites Gschneidner 1992	Table 4, p. 6, row 3 report
1449.15	eutectic: L -> (Lu) + AuLu2	L: Lu 0.787; (Lu): Lu 1; AuLu2: Lu 0.667	experimental	[1] Wang 2016 cites Gschneidner 1992	Table 4, p. 6, row 1 report
1449.15	eutectic: L -> (Lu) + AuLu2	L: Lu 0.794; (Lu): Lu 1; AuLu2: Lu 0.667	model	[1] Wang 2016	Table 4, p. 6, row 2 report
1403.15	peritectic: L + AuLu -> Au2Lu	L: Lu 0.315; AuLu: Lu 0.5; Au2Lu: Lu 0.333	experimental	[1] Wang 2016 cites Gschneidner 1992	Table 4, p. 6, row 8 report
1400.55	peritectic: L + AuLu -> Au2Lu	L: Lu 0.325; AuLu: Lu 0.5; Au2Lu: Lu 0.333	model	[1] Wang 2016	Table 4, p. 6, row 9 report
1355.15	congruent melting: L -> Au3Lu	L: Lu 0.25; Au3Lu: Lu 0.25	experimental	[1] Wang 2016 cites Gschneidner 1992	Table 4, p. 6, row 12 report
1350.15	congruent melting: L -> Au3Lu	L: Lu 0.25; Au3Lu: Lu 0.25	model	[1] Wang 2016	Table 4, p. 6, row 13 report
1327.85	eutectic: L -> Au2Lu + Au3Lu	L: Lu 0.278; Au2Lu: Lu 0.333; Au3Lu: Lu 0.25	model	[1] Wang 2016	Table 4, p. 6, row 11 report
1320.15	eutectic: L -> Au2Lu + Au3Lu	L: Lu 0.279; Au2Lu: Lu 0.333; Au3Lu: Lu 0.25	experimental	[1] Wang 2016 cites Gschneidner 1992	Table 4, p. 6, row 10 report
1303.15	congruent melting: L -> Au4Lu	L: Lu 0.2; Au4Lu: Lu 0.2	experimental	[1] Wang 2016 cites Gschneidner 1992	Table 4, p. 6, row 16 report
1302.65	congruent melting: L -> Au4Lu	L: Lu 0.2; Au4Lu: Lu 0.2	model	[1] Wang 2016	Table 4, p. 6, row 17 report
1301.35	eutectic: L -> Au3Lu + Au4Lu	L: Lu 0.208; Au3Lu: Lu 0.25; Au4Lu: Lu 0.2	model	[1] Wang 2016	Table 4, p. 6, row 15 report
1297.15	eutectic: L -> Au3Lu + Au4Lu	L: Lu 0.213; Au3Lu: Lu 0.25; Au4Lu: Lu 0.2	experimental	[1] Wang 2016 cites Gschneidner 1992	Table 4, p. 6, row 14 report
1163.15	eutectic: L -> Au4Lu + (Au)	Au4Lu: Au 0.8, Lu 0.2; (Au): Lu 0.077	experimental	[1] Wang 2016 cites Rider 1965	Table 4, p. 6, row 21 report
1162.05	eutectic: L -> Au4Lu + (Au)	L: Lu 0.118; Au4Lu: Lu 0.2; (Au): Lu 0.079	model	[1] Wang 2016	Table 4, p. 6, row 22 report
1015.15	eutectic: L -> Au4Lu + (Au)	L: Lu 0.114; Au4Lu: Lu 0.2; (Au): Lu 0	experimental	[1] Wang 2016 cites Gschneidner 1992	Table 4, p. 6, row 20 report
499.25	eutectoid: Au3Lu -> Au2Lu + Au4Lu	Au3Lu: Lu 0.25; Au2Lu: Lu 0.333; Au4Lu: Lu 0.2	model	[1] Wang 2016	Table 4, p. 6, row 19 report
499.15	eutectoid: Au3Lu -> Au2Lu + Au4Lu	Au3Lu: Lu 0.25; Au2Lu: Lu 0.333; Au4Lu: Lu 0.2	experimental	[1] Wang 2016 cites Gschneidner 1992	Table 4, p. 6, row 18 report

Sources

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

S. L. Wang, J. L. Li, L. L. Qiu, L. J. Zhou, Y. H. Li, C. Q. Ren et al., Thermodynamic Assessments of the Au-Tb and Au-Lu Systems, J. Phase Equilib. Diffus. 37, 319-326 (2016). doi:10.1007/s11669-016-0460-4

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}
}