Ce–Mn system

15 accepted literature values from 1 paper(s) (experimental 10, unspecified 5); 2 calculated phase diagram(s). 2 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 (6) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	10
unspecified	5

Accepted values by property group
Property group	Values
invariant reaction	13
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
CeMn-07Tan.tdb	C. Tang, Y. Du, L. Zhang, H. Xu, Z. Zhu, J. Alloys Compd., 437, 102-6(2007). doi:10.1016/j.jallcom.2006.07.071	`1d3e4632db5ba67e959d32ef7e4b729d8c2c01603aed6d4d3e68e8a435de54e4`	viewer · TDB · JSON
CeMn-24Ye.tdb	H. Ye, J. Wang, Q. Chen, G. Rao, H. Zhou, Mater. Genome Eng. Adv., 2, 39(2024). doi:10.1002/mgea.39	`cd632a2aefd2788070df8cd6e858135fe4074ac77adaa69f54e67ea75f76a5b7`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
CeMn-07Tan.tdb	1360.74	LIQUID (x(Mn) 0.84615) + BCC_A2 (x(Mn) 0.97115) + FCC_A1 (x(Mn) 0.97794)
CeMn-07Tan.tdb	1271.27	LIQUID (x(Mn) 0.71736) + FCC_A1 (x(Mn) 0.9676) + CUB_A13 (x(Mn) 0.98195)
CeMn-07Tan.tdb	911.37	FCC_A1 (x(Mn) 0.01355) + BCC_A2 (x(Mn) 0.05247) + LIQUID (x(Mn) 0.14298)
CeMn-07Tan.tdb	898.44	LIQUID (x(Mn) 0.16629) + CUB_A13 (x(Mn) 0.97193) + CBCC_A12 (x(Mn) 1)
CeMn-07Tan.tdb	894.78	FCC_A1 (x(Mn) 0.01535) + LIQUID (x(Mn) 0.16347) + CBCC_A12 (x(Mn) 1)
CeMn-07Tan.tdb	894.78	FCC_A1 (x(Mn) 0.01538) + LIQUID (x(Mn) 0.16381) + CBCC_A12 (x(Mn) 1)
CeMn-24Ye.tdb	1360.17	LIQUID (x(Mn) 0.8383) + BCC_A2 (x(Mn) 0.96978) + FCC_A1 (x(Mn) 0.97673)
CeMn-24Ye.tdb	1270.96	LIQUID (x(Mn) 0.7092) + FCC_A1 (x(Mn) 0.96707) + CUB_A13 (x(Mn) 0.98151)
CeMn-24Ye.tdb	913.48	FCC_A1 (x(Mn) 0.01353) + BCC_A2 (x(Mn) 0.0514) + LIQUID (x(Mn) 0.15527)
CeMn-24Ye.tdb	898.39	LIQUID (x(Mn) 0.1853) + CUB_A13 (x(Mn) 0.97191) + CBCC_A12 (x(Mn) 1)
CeMn-24Ye.tdb	898.39	LIQUID (x(Mn) 0.18524) + CUB_A13 (x(Mn) 0.97191) + CBCC_A12 (x(Mn) 1)
CeMn-24Ye.tdb	894	FCC_A1 (x(Mn) 0.01509) + LIQUID (x(Mn) 0.18157) + CBCC_A12 (x(Mn) 1)
CeMn-24Ye.tdb	894	FCC_A1 (x(Mn) 0.0151) + LIQUID (x(Mn) 0.18181) + CBCC_A12 (x(Mn) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull CeMn-07Tan

Invariant reactions (literature)

Invariant reactions reported in the literature for the Ce–Mn system (13)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location	Quote
1360.95	(δMn) -> (γMn) + Liquid	(δMn): Mn 0.9712; (γMn): Mn 0.9779; Liquid: Mn 0.8461	unspecified	[1] Tang 2007	Table 1, p. 3, row 12 report
1360.15	(δMn) -> (γMn) + Liquid	(δMn): Mn 0.98; (γMn): Mn 0.983; Liquid: Mn 0.86	experimental	[1] Tang 2007 cites Mirgalovskaya 1957	Table 1, p. 3, row 11 report
1271.15	(γMn) -> (βMn) + Liquid	(γMn): Mn 0.98; (βMn): Mn 0.99; Liquid: Mn 0.71	experimental	[1] Tang 2007 cites Iandelli 1952	Table 1, p. 3, row 9 report
1270.95	(γMn) -> (βMn) + Liquid	(γMn): Mn 0.9676; (βMn): Mn 0.9819; Liquid: Mn 0.7174	unspecified	[1] Tang 2007	Table 1, p. 3, row 10 report
913.15	(δCe) -> (γCe) + Liquid		experimental	[1] Tang 2007	Table 1, p. 3, row 6 report
911.35	(δCe) -> (γCe) + Liquid	(δCe): Mn 0.143; (γCe): Mn 0.0525; Liquid: Mn 0.0136	unspecified	[1] Tang 2007	Table 1, p. 3, row 5 report
911.15	(δCe) -> (γCe) + Liquid	(δCe): Mn 0.14; (γCe): Mn 0.05; Liquid: Mn 0.02	experimental	[1] Tang 2007 cites Thamer 1964 doi	Table 1, p. 3, row 4 report
898.35	(βMn) -> (αMn) + Liquid	(βMn): Mn 0.9719; (αMn): Mn 1; Liquid: Mn 0.1663	unspecified	[1] Tang 2007	Table 1, p. 3, row 8 report
898.15	(βMn) -> (αMn) + Liquid	(βMn): Mn 0.98; (αMn): Mn 0.995; Liquid: Mn 0.163	experimental	[1] Tang 2007 cites Tang	Table 1, p. 3, row 7 report
895.15	eutectic: Liquid -> (γCe) + (αMn)	Liquid: Mn 0.161; (γCe): Mn 0.02; (αMn): Mn 0.995	experimental	[1] Tang 2007 cites Thamer 1964 doi	Table 1, p. 3, row 1 report
895.15	eutectic: Liquid → (␥Ce) + (␣Mn)		experimental	[1] Tang 2007 cites Thamer 1964 doi	p. 2 report	The eutectic reaction: Liquid → (␥Ce) + (␣Mn) was determined to be at 16.1 ± 0.5 at.% Mn and 622 ◦ C [8].
894.75	eutectic: Liquid -> (γCe) + (αMn)	Liquid: Mn 0.1635; (γCe): Mn 0.0153; (αMn): Mn 1	unspecified	[1] Tang 2007	Table 1, p. 3, row 2 report
894.15	eutectic: Liquid -> (γCe) + (αMn)		experimental	[1] Tang 2007	Table 1, p. 3, row 3 report

Other properties

Phase transition (2)

Phase transition, Ce–Mn system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	898.15 K	898.15	other: (␤Mn) → (␣Mn) + Liquid	experimental	[1] Tang 2007	p. 2 report	Another invariant reaction, catatectic reaction: (␤Mn) → (␣Mn) + Liquid, was reported to exist at 625 ◦ C.
Phase transition	911.15 K	911.15	other: (␦Ce) → (␥Ce) + Liquid	experimental	[1] Tang 2007 cites Thamer 1964 doi	p. 2 report	The catatectic reaction: (␦Ce) → (␥Ce) + Liquid, in the Cerich side was determined to occur at 5 ± 1 at.% Mn and 638 ◦ C [8].

Sources

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

Chengying Tang, Yong Du, Lijun Zhang, Honghui Xu, Zhijun Zhu, Thermodynamic assessment of the Ce–Mn system, Journal of Alloys and Compounds 437, 102-106 (2007). doi:10.1016/j.jallcom.2006.07.071

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}
}