Ce–Cu system

51 accepted literature values from 3 paper(s) (experimental 18, model 30, unspecified 3); 2 calculated phase diagram(s). 1 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	18
model	30
unspecified	3

Accepted values by property group
Property group	Values
invariant reaction	30
phase transition	6
crystal structure	15

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
CeCu-09Bo.tdb	H. Bo, S. Jin, L.G. Zhang, X.M. Chen, L.B. Liu, F. Zheng, Z.P. Jin, J. Alloys Compd., 484, 286-95(2009). doi:10.1016/j.jallcom.2009.04.083	`5e559495ec18884cc481f19ae269b9d968188a63a573fb1bf0735610d6a2cb6a`	viewer · TDB · JSON
CeCu-96Zhu.tdb	W. Zhuang, Z.-Y. Qiao, S. Wei, J. Shen, J. Phase Equilib., 17, 508-21(1996). doi:10.1007/BF02665998	`673f9f27a539576f74e73a6fe3c7512ecee59f9185cc9a819314eb3e63d5938e`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
CeCu-09Bo.tdb	1150.86	CECU6 (x(Cu) 0.85714) + LIQUID (x(Cu) 0.91294) + FCC_A1 (x(Cu) 0.99998)
CeCu-09Bo.tdb	1150.86	CECU6 (x(Cu) 0.85714) + LIQUID (x(Cu) 0.91302) + FCC_A1 (x(Cu) 0.99998)
CeCu-09Bo.tdb	1150.86	CECU6 (x(Cu) 0.85714) + LIQUID (x(Cu) 0.91302) + FCC_A1 (x(Cu) 0.99998)
CeCu-09Bo.tdb	1150.86	CECU6 (x(Cu) 0.85714) + LIQUID (x(Cu) 0.91302) + FCC_A1 (x(Cu) 0.99998)
CeCu-09Bo.tdb	1073.8	LIQUID (x(Cu) 0.75657) + CECU5_D2D (x(Cu) 0.83333) + CECU6 (x(Cu) 0.85714)
CeCu-09Bo.tdb	1073.8	LIQUID (x(Cu) 0.7566) + CECU5_D2D (x(Cu) 0.83333) + CECU6 (x(Cu) 0.85714)
CeCu-09Bo.tdb	1068.03	LIQUID (x(Cu) 0.75328) + CECU4 (x(Cu) 0.8) + CECU5_D2D (x(Cu) 0.83333)
CeCu-09Bo.tdb	1068.03	LIQUID (x(Cu) 0.75325) + CECU4 (x(Cu) 0.8) + CECU5_D2D (x(Cu) 0.83333)
CeCu-09Bo.tdb	1042.43	CECU2 (x(Cu) 0.66667) + LIQUID (x(Cu) 0.73117) + CECU4 (x(Cu) 0.8)
CeCu-09Bo.tdb	1042.43	CECU2 (x(Cu) 0.66667) + LIQUID (x(Cu) 0.73136) + CECU4 (x(Cu) 0.8)
CeCu-09Bo.tdb	1042.43	CECU2 (x(Cu) 0.66667) + LIQUID (x(Cu) 0.73095) + CECU4 (x(Cu) 0.8)
CeCu-09Bo.tdb	980.72	FCC_A1 (x(Cu) 1.700e-4) + BCC_A2 (x(Cu) 0.00716) + LIQUID (x(Cu) 0.05769)
CeCu-09Bo.tdb	787.03	LIQUID (x(Cu) 0.42528) + CECU_B27 (x(Cu) 0.5) + CECU2 (x(Cu) 0.66667)
CeCu-09Bo.tdb	787.03	LIQUID (x(Cu) 0.42558) + CECU_B27 (x(Cu) 0.5) + CECU2 (x(Cu) 0.66667)
CeCu-09Bo.tdb	699.98	FCC_A1 (x(Cu) 2.300e-4) + LIQUID (x(Cu) 0.28937) + CECU_B27 (x(Cu) 0.5)
CeCu-09Bo.tdb	699.98	FCC_A1 (x(Cu) 2.300e-4) + LIQUID (x(Cu) 0.28948) + CECU_B27 (x(Cu) 0.5)
CeCu-96Zhu.tdb	1166	CECU6 (x(Cu) 0.85714) + LIQUID (x(Cu) 0.91241) + FCC_A1 (x(Cu) 0.99973)
CeCu-96Zhu.tdb	1166	CECU6 (x(Cu) 0.85714) + LIQUID (x(Cu) 0.91245) + FCC_A1 (x(Cu) 0.99973)
CeCu-96Zhu.tdb	1074.18	LIQUID (x(Cu) 0.74353) + CECU5_D2D (x(Cu) 0.83333) + CECU6 (x(Cu) 0.85714)
CeCu-96Zhu.tdb	1074.18	LIQUID (x(Cu) 0.74358) + CECU5_D2D (x(Cu) 0.83333) + CECU6 (x(Cu) 0.85714)
CeCu-96Zhu.tdb	1061.58	LIQUID (x(Cu) 0.73584) + CECU4 (x(Cu) 0.8) + CECU5_D2D (x(Cu) 0.83333)
CeCu-96Zhu.tdb	1061.58	LIQUID (x(Cu) 0.73592) + CECU4 (x(Cu) 0.8) + CECU5_D2D (x(Cu) 0.83333)
CeCu-96Zhu.tdb	1061.58	LIQUID (x(Cu) 0.7358) + CECU4 (x(Cu) 0.8) + CECU5_D2D (x(Cu) 0.83333)
CeCu-96Zhu.tdb	1056.9	CECU2 (x(Cu) 0.66667) + LIQUID (x(Cu) 0.73162) + CECU4 (x(Cu) 0.8)
CeCu-96Zhu.tdb	1056.9	CECU2 (x(Cu) 0.66667) + LIQUID (x(Cu) 0.7317) + CECU4 (x(Cu) 0.8)
CeCu-96Zhu.tdb	1056.9	CECU2 (x(Cu) 0.66667) + LIQUID (x(Cu) 0.73156) + CECU4 (x(Cu) 0.8)
CeCu-96Zhu.tdb	1001.48	BCC_A2 (x(Cu) 0.00136) + FCC_A1 (x(Cu) 0.00189) + LIQUID (x(Cu) 0.04267)
CeCu-96Zhu.tdb	788.46	LIQUID (x(Cu) 0.39321) + CECU_B27 (x(Cu) 0.5) + CECU2 (x(Cu) 0.66667)
CeCu-96Zhu.tdb	788.46	LIQUID (x(Cu) 0.39347) + CECU_B27 (x(Cu) 0.5) + CECU2 (x(Cu) 0.66667)
CeCu-96Zhu.tdb	702.62	FCC_A1 (x(Cu) 0.01132) + LIQUID (x(Cu) 0.27286) + CECU_B27 (x(Cu) 0.5)
CeCu-96Zhu.tdb	702.62	FCC_A1 (x(Cu) 0.01133) + LIQUID (x(Cu) 0.27298) + CECU_B27 (x(Cu) 0.5)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull CeCu-96Zhu

Invariant reactions (literature)

Invariant reactions reported in the literature for the Ce–Cu system (30)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1211	congruent melting: liq -> Cu6Ce	L: Ce 0.143; Cu6Ce: Ce 0.142857, Cu 0.857143	model	[1] Zhuang 1996	Table 3, p. 5, row 2 report
1165	eutectic: liq -> Cu(fcc) + Cu6Ce	L: Ce 0.088; Cu6Ce: Ce 0.142857, Cu 0.857143	model	[1] Zhuang 1996	Table 3, p. 5, row 1 report
1165	eutectic: Liquid ↔ Fcc_Cu + Cu6Ce	L: Cu 0.912; Cu6Ce: Cu 0.857143	model	[2] Bo 2009 cites Zhuang 1996 doi	Table 2, p. 4, row 2 report
1150	eutectic: Liquid ↔ Fcc_Cu + Cu6Ce	L: Cu 0.913; Cu6Ce: Cu 0.857143	model	[2] Bo 2009	Table 2, p. 4, row 3 report
1149	eutectic: Liquid ↔ Fcc_Cu + Cu6Ce	L: Cu 0.91; Cu6Ce: Cu 0.857143	experimental	[2] Bo 2009 cites Rhinehammer 1964	Table 2, p. 4, row 1 report
1090	congruent melting: liq -> Cu2Ce	L: Ce 0.333; Cu2Ce: Ce 0.333333, Cu 0.666667	model	[1] Zhuang 1996	Table 3, p. 5, row 6 report
1072	peritectic: Liquid + Cu6Ce ↔ Cu5Ce	L: Cu 0.743; Cu6Ce: Cu 0.857143; Cu5Ce: Cu 0.833333	model	[2] Bo 2009 cites Zhuang 1996 doi	Table 2, p. 4, row 8 report
1072	peritectic: liq + Cu6Ce -> Cu5Ce	L: Ce 0.257; Cu6Ce: Ce 0.142857, Cu 0.857143; Cu5Ce: Ce 0.166667, Cu 0.833333	model	[1] Zhuang 1996	Table 3, p. 5, row 3 report
1071	peritectic: Liquid + Cu6Ce ↔ Cu5Ce	L: Cu 0.766; Cu6Ce: Cu 0.857143; Cu5Ce: Cu 0.833333	experimental	[2] Bo 2009 cites Rhinehammer 1964	Table 2, p. 4, row 7 report
1071	peritectic: Liquid + Cu6Ce ↔ Cu5Ce	L: Cu 0.756; Cu6Ce: Cu 0.857143; Cu5Ce: Cu 0.833333	model	[2] Bo 2009	Table 2, p. 4, row 9 report
1069	peritectic: Liquid + Cu5Ce ↔ Cu4Ce	L: Cu 0.765; Cu5Ce: Cu 0.833333; Cu4Ce: Cu 0.8	experimental	[2] Bo 2009 cites Rhinehammer 1964	Table 2, p. 4, row 10 report
1069	peritectic: Liquid + Cu5Ce ↔ Cu4Ce	L: Cu 0.754; Cu5Ce: Cu 0.833333; Cu4Ce: Cu 0.8	model	[2] Bo 2009	Table 2, p. 4, row 12 report
1063	peritectic: Liquid + Cu5Ce ↔ Cu4Ce	L: Cu 0.737; Cu5Ce: Cu 0.833333; Cu4Ce: Cu 0.8	model	[2] Bo 2009 cites Zhuang 1996 doi	Table 2, p. 4, row 11 report
1063	peritectic: liq + Cu5Ce -> Cu4Ce	L: Ce 0.263; Cu5Ce: Ce 0.166667, Cu 0.833333; Cu4Ce: Ce 0.2, Cu 0.8	model	[1] Zhuang 1996	Table 3, p. 5, row 4 report
1057	eutectic: Liquid ↔ Cu4Ce + Cu2Ce	L: Cu 0.732; Cu4Ce: Cu 0.8; Cu2Ce: Cu 0.666667	model	[2] Bo 2009 cites Zhuang 1996 doi	Table 2, p. 4, row 14 report
1057	eutectic: liq -> Cu4Ce + Cu2Ce	L: Ce 0.268; Cu4Ce: Ce 0.2, Cu 0.8; Cu2Ce: Ce 0.333333, Cu 0.666667	model	[1] Zhuang 1996	Table 3, p. 5, row 5 report
1043	eutectic: Liquid ↔ Cu4Ce + Cu2Ce	L: Cu 0.731; Cu4Ce: Cu 0.8; Cu2Ce: Cu 0.666667	model	[2] Bo 2009	Table 2, p. 4, row 15 report
1029	eutectic: Liquid ↔ Cu4Ce + Cu2Ce	L: Cu 0.74; Cu4Ce: Cu 0.8; Cu2Ce: Cu 0.666667	experimental	[2] Bo 2009 cites Rhinehammer 1964	Table 2, p. 4, row 13 report
999	metatectic/catatectic: Ce(bcc) -> liq + Ce(fcc)	L: Ce 0.958	model	[1] Zhuang 1996	Table 3, p. 5, row 9 report
999	metatectic/catatectic: δCe ↔ liquid + γCe	L: Cu 0.042	model	[2] Bo 2009 cites Zhuang 1996 doi	Table 2, p. 4, row 26 report
981	metatectic/catatectic: δCe ↔ liquid + γCe	L: Cu 0.06	experimental	[2] Bo 2009 cites Rhinehammer 1964	Table 2, p. 4, row 25 report
981	metatectic/catatectic: δCe ↔ liquid + γCe	L: Cu 0.058	model	[2] Bo 2009	Table 2, p. 4, row 27 report
789	peritectic: Liquid + Cu2Ce ↔ CuCe	L: Cu 0.4; Cu2Ce: Cu 0.666667; CuCe: Cu 0.5	experimental	[2] Bo 2009 cites Rhinehammer 1964	Table 2, p. 4, row 19 report
788	peritectic: Liquid + Cu2Ce ↔ CuCe	L: Cu 0.394; Cu2Ce: Cu 0.666667; CuCe: Cu 0.5	model	[2] Bo 2009 cites Zhuang 1996 doi	Table 2, p. 4, row 20 report
788	peritectic: liq + Cu2Ce -> CuCe	L: Ce 0.606; Cu2Ce: Ce 0.333333, Cu 0.666667; CuCe: Ce 0.5, Cu 0.5	model	[1] Zhuang 1996	Table 3, p. 5, row 7 report
787	peritectic: Liquid + Cu2Ce ↔ CuCe	L: Cu 0.426; Cu2Ce: Cu 0.666667; CuCe: Cu 0.5	model	[2] Bo 2009	Table 2, p. 4, row 21 report
700	eutectic: liq -> CuCe + Ce(fcc)	L: Ce 0.73; CuCe: Ce 0.5, Cu 0.5	model	[1] Zhuang 1996	Table 3, p. 5, row 8 report
700	eutectic: Liquid ↔ CuCe + γCe	L: Cu 0.289; CuCe: Cu 0.5	model	[2] Bo 2009	Table 2, p. 4, row 24 report
700	eutectic: Liquid ↔ CuCe + γCe	L: Cu 0.27; CuCe: Cu 0.5	model	[2] Bo 2009 cites Zhuang 1996 doi	Table 2, p. 4, row 23 report
697	eutectic: Liquid ↔ CuCe + γCe	L: Cu 0.28; CuCe: Cu 0.5	experimental	[2] Bo 2009 cites Rhinehammer 1964	Table 2, p. 4, row 22 report

Other properties

Phase transition (6)

Phase transition, Ce–Cu system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Phase transition	1089 K	1089	congruent melting: Liquid ↔ Cu2Ce L: Cu 0.667; Cu2Ce: Cu 0.666667	model	[2] Bo 2009	Table 2, p. 4, row 18 report
Phase transition	1090 K	1090	congruent melting: Liquid ↔ Cu2Ce L: Cu 0.667; Cu2Ce: Cu 0.666667	model	[2] Bo 2009 cites Zhuang 1996 doi	Table 2, p. 4, row 17 report
Phase transition	1090 K	1090	congruent melting: Liquid ↔ Cu2Ce L: Cu 0.667; Cu2Ce: Cu 0.666667	experimental	[2] Bo 2009 cites Rhinehammer 1964	Table 2, p. 4, row 16 report
Phase transition	1210 K	1210	congruent melting: Liquid ↔ Cu6Ce L: Cu 0.857; Cu6Ce: Cu 0.857143	model	[2] Bo 2009	Table 2, p. 4, row 6 report
Phase transition	1211 K	1211	congruent melting: Liquid ↔ Cu6Ce L: Cu 0.857; Cu6Ce: Cu 0.857143	model	[2] Bo 2009 cites Zhuang 1996 doi	Table 2, p. 4, row 5 report
Phase transition	1211 K	1211	congruent melting: Liquid ↔ Cu6Ce L: Cu 0.857; Cu6Ce: Cu 0.857143	experimental	[2] Bo 2009 cites Rhinehammer 1964	Table 2, p. 4, row 4 report

Crystal structure (15)

Crystal structure, Ce–Cu system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Lattice a	4.43 not_printed	298.15	Cu2Ce alloy: Ce 0.333333, Cu 0.666667	experimental	[3] Premović 2017 cites Larson 1961 doi	Table 1, p. 2, row 8 report
Lattice a	4.54 not_printed	298.15	Cu4Ce alloy: Ce 0.2, Cu 0.8	experimental	[3] Premović 2017 cites Rhinehammer 1964	Table 1, p. 2, row 9 report
Lattice a	5.147 not_printed	298.15	Cu5Ce alloy: Ce 0.166667, Cu 0.833333	model	[3] Premović 2017 cites Kim 1991 doi	Table 1, p. 2, row 10 report
Lattice a	8.1088 not_printed	298.15	Cu6Ce alloy: Ce 0.142857, Cu 0.857143	unspecified	[3] Premović 2017 cites Vrtis 2017	Table 1, p. 2, row 11 report
Lattice a	7.3 not_printed	298.15	CuCe alloy: Ce 0.5, Cu 0.5	experimental	[3] Premović 2017 cites Larson 1961 doi	Table 1, p. 2, row 7 report
Lattice b	7.05 not_printed	298.15	Cu2Ce alloy: Ce 0.333333, Cu 0.666667	experimental	[3] Premović 2017 cites Larson 1961 doi	Table 1, p. 2, row 8 report
Lattice b	8.1 not_printed	298.15	Cu4Ce alloy: Ce 0.2, Cu 0.8	experimental	[3] Premović 2017 cites Rhinehammer 1964	Table 1, p. 2, row 9 report
Lattice b	5.147 not_printed	298.15	Cu5Ce alloy: Ce 0.166667, Cu 0.833333	model	[3] Premović 2017 cites Kim 1991 doi	Table 1, p. 2, row 10 report
Lattice b	5.1004 not_printed	298.15	Cu6Ce alloy: Ce 0.142857, Cu 0.857143	unspecified	[3] Premović 2017 cites Vrtis 2017	Table 1, p. 2, row 11 report
Lattice b	4.3 not_printed	298.15	CuCe alloy: Ce 0.5, Cu 0.5	experimental	[3] Premović 2017 cites Larson 1961 doi	Table 1, p. 2, row 7 report
Lattice c	7.45 not_printed	298.15	Cu2Ce alloy: Ce 0.333333, Cu 0.666667	experimental	[3] Premović 2017 cites Larson 1961 doi	Table 1, p. 2, row 8 report
Lattice c	9.19 not_printed	298.15	Cu4Ce alloy: Ce 0.2, Cu 0.8	experimental	[3] Premović 2017 cites Rhinehammer 1964	Table 1, p. 2, row 9 report
Lattice c	4.1072 not_printed	298.15	Cu5Ce alloy: Ce 0.166667, Cu 0.833333	model	[3] Premović 2017 cites Kim 1991 doi	Table 1, p. 2, row 10 report
Lattice c	10.1621 not_printed	298.15	Cu6Ce alloy: Ce 0.142857, Cu 0.857143	unspecified	[3] Premović 2017 cites Vrtis 2017	Table 1, p. 2, row 11 report
Lattice c	6.36 not_printed	298.15	CuCe alloy: Ce 0.5, Cu 0.5	experimental	[3] Premović 2017 cites Larson 1961 doi	Table 1, p. 2, row 7 report

Sources

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

W. Zhuang, Z. -Y. Qiao, S. Wei, J. Shen, Thermodynamic evaluation of the Cu-R (R: Ce, Pr, Nd, Sm) binary systems, JPE 17, 508-521 (1996). doi:10.1007/bf02665998
H. Bo, S. Jin, L.G. Zhang, X.M. Chen, H.M. Chen, L.B. Liu et al., Thermodynamic assessment of Al–Ce–Cu system, Journal of Alloys and Compounds 484, 286-295 (2009). doi:10.1016/j.jallcom.2009.04.083
Milena Premović, Yong Du, Fan Zhang, Bo Sundman, Duško Minić, Biao Hu, Phase equilibria in the ternary B-Ce-Cu system with a thermodynamic reassessment of the binary B-Ce system, Thermochimica Acta 657, 185-196 (2017). doi:10.1016/j.tca.2017.10.006

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}
}