Ho–Mn system

12 accepted literature values from 1 paper(s) (experimental 5, model 7); 2 calculated phase diagram(s). 5 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	5
model	7

Accepted values by property group
Property group	Values
invariant reaction	12

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
HoMn-09Wan.tdb	C.P. Wang, H.L. Zhang, S.L. Wang, Z. Lin, X.J. Liu, A.T. Tang, F.S. Pan, J. Alloys Compd., 481, 291-95(2009). doi:10.1016/j.jallcom.2009.03.121	`2940393e37b985277980145de1453522620f07f6d2484502781628ea1499fca6`	viewer · TDB · JSON
HoMn-19Wan.tdb	J. Wang, M. Qian, K.C. Yang, B. Wen, Z. Lu, M.H. Rong, G.H. Rao, H.Y. Zhou, Calphad, 66, 101635(2019). doi:10.1016/j.calphad.2019.101635	`fa2c27efee585bada8530822076028b7683986166a74c0dc59651254f1021289`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
HoMn-09Wan.tdb	1395.88	LIQUID (x(Mn) 0.86817) + BCC_A2 (x(Mn) 0.98894) + FCC_A1 (x(Mn) 0.99063)
HoMn-09Wan.tdb	1359.2	LIQUID (x(Mn) 0.78735) + HOMN12_D2B (x(Mn) 0.92308) + FCC_A1 (x(Mn) 0.98945)
HoMn-09Wan.tdb	1359.2	LIQUID (x(Mn) 0.78763) + HOMN12_D2B (x(Mn) 0.92308) + FCC_A1 (x(Mn) 0.98946)
HoMn-09Wan.tdb	1344.63	HOMN12_D2B (x(Mn) 0.92308) + FCC_A1 (x(Mn) 0.99067) + CUB_A13 (x(Mn) 0.99298)
HoMn-09Wan.tdb	1319.62	LIQUID (x(Mn) 0.51428) + HO6MN23_D8A (x(Mn) 0.793) + HOMN12_D2B (x(Mn) 0.92308)
HoMn-09Wan.tdb	1319.62	LIQUID (x(Mn) 0.5147) + HO6MN23_D8A (x(Mn) 0.793) + HOMN12_D2B (x(Mn) 0.92308)
HoMn-09Wan.tdb	1319.62	LIQUID (x(Mn) 0.51366) + HO6MN23_D8A (x(Mn) 0.793) + HOMN12_D2B (x(Mn) 0.92308)
HoMn-09Wan.tdb	1239.32	LIQUID (x(Mn) 0.37057) + HOMN2 (x(Mn) 0.66667) + HO6MN23_D8A (x(Mn) 0.793)
HoMn-09Wan.tdb	1239.32	LIQUID (x(Mn) 0.37073) + HOMN2 (x(Mn) 0.66667) + HO6MN23_D8A (x(Mn) 0.793)
HoMn-09Wan.tdb	1239.32	LIQUID (x(Mn) 0.37031) + HOMN2 (x(Mn) 0.66667) + HO6MN23_D8A (x(Mn) 0.793)
HoMn-09Wan.tdb	1239.32	LIQUID (x(Mn) 0.3703) + HOMN2 (x(Mn) 0.66667) + HO6MN23_D8A (x(Mn) 0.793)
HoMn-09Wan.tdb	1147.8	HCP_A3 (x(Mn) 2.000e-5) + LIQUID (x(Mn) 0.2857) + HOMN2 (x(Mn) 0.66667)
HoMn-09Wan.tdb	1147.8	HCP_A3 (x(Mn) 2.000e-5) + LIQUID (x(Mn) 0.28558) + HOMN2 (x(Mn) 0.66667)
HoMn-09Wan.tdb	1147.8	HCP_A3 (x(Mn) 2.000e-5) + LIQUID (x(Mn) 0.28558) + HOMN2 (x(Mn) 0.66667)
HoMn-09Wan.tdb	979.33	HOMN12_D2B (x(Mn) 0.92308) + CUB_A13 (x(Mn) 0.99967) + CBCC_A12 (x(Mn) 0.99986)
HoMn-19Wan.tdb	1410.21	LIQUID (x(Mn) 0.93755) + BCC_A2 (x(Mn) 0.99969) + FCC_A1 (x(Mn) 0.99978)
HoMn-19Wan.tdb	1390.1	HOMN2 (x(Mn) 0.66667) + LIQUID (x(Mn) 0.75293) + HO6MN23_D8A (x(Mn) 0.7931)
HoMn-19Wan.tdb	1390.09	HOMN2 (x(Mn) 0.66667) + LIQUID (x(Mn) 0.7535) + HO6MN23_D8A (x(Mn) 0.7931)
HoMn-19Wan.tdb	1390.09	HOMN2 (x(Mn) 0.66667) + LIQUID (x(Mn) 0.75365) + HO6MN23_D8A (x(Mn) 0.7931)
HoMn-19Wan.tdb	1357.78	LIQUID (x(Mn) 0.90816) + FCC_A1 (x(Mn) 0.99969) + CUB_A13 (x(Mn) 1)
HoMn-19Wan.tdb	1343.96	LIQUID (x(Mn) 0.89976) + HOMN12_D2B (x(Mn) 0.92308) + CUB_A13 (x(Mn) 1)
HoMn-19Wan.tdb	1343.95	LIQUID (x(Mn) 0.89964) + HOMN12_D2B (x(Mn) 0.92308) + CUB_A13 (x(Mn) 1)
HoMn-19Wan.tdb	1343.95	LIQUID (x(Mn) 0.89967) + HOMN12_D2B (x(Mn) 0.92308) + CUB_A13 (x(Mn) 1)
HoMn-19Wan.tdb	1339.34	HO6MN23_D8A (x(Mn) 0.7931) + LIQUID (x(Mn) 0.8886) + HOMN12_D2B (x(Mn) 0.92308)
HoMn-19Wan.tdb	1339.34	HO6MN23_D8A (x(Mn) 0.7931) + LIQUID (x(Mn) 0.88851) + HOMN12_D2B (x(Mn) 0.92308)
HoMn-19Wan.tdb	1174.4	HCP_A3 (x(Mn) 0.00166) + LIQUID (x(Mn) 0.34027) + HOMN2 (x(Mn) 0.66667)
HoMn-19Wan.tdb	1174.4	HCP_A3 (x(Mn) 0.00166) + LIQUID (x(Mn) 0.3402) + HOMN2 (x(Mn) 0.66667)
HoMn-19Wan.tdb	980	HOMN12_D2B (x(Mn) 0.92308) + CBCC_A12 (x(Mn) 1) + CUB_A13 (x(Mn) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull HoMn-09Wan

Invariant reactions (literature)

Invariant reactions reported in the literature for the Ho–Mn system (12)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1398.15	eutectoid: δMn -> L + γMn	γMn: Mn 1	experimental	[1] Wang 2009 cites Massalski 1990	Table 5, p. 5, row 13 report
1396.15	eutectoid: δMn -> L + γMn	δMn: Mn 0.9906; L: Mn 0.8686; γMn: Mn 1	model	[1] Wang 2009	Table 5, p. 5, row 14 report
1359.15	peritectic: L + γMn -> HoMn12	L: Mn 0.7877; γMn: Mn 0.99; HoMn12: Mn 0.9231	model	[1] Wang 2009	Table 5, p. 5, row 12 report
1358.15	peritectic: L + γMn -> HoMn12	HoMn12: Mn 0.9231	experimental	[1] Wang 2009 cites Massalski 1990	Table 5, p. 5, row 11 report
1345.15	eutectoid: γMn -> HoMn12 + βMn	γMn: Mn 0.9908; HoMn12: Mn 0.9231; βMn: Mn 1	model	[1] Wang 2009	Table 5, p. 5, row 10 report
1320.15	peritectic: L + HoMn12 -> Ho6Mn23	L: Mn 0.5183; HoMn12: Mn 0.9231; Ho6Mn23: Mn 0.7931	model	[1] Wang 2009	Table 5, p. 5, row 8 report
1318.15	peritectic: L + HoMn12 -> Ho6Mn23	HoMn12: Mn 0.9231; Ho6Mn23: Mn 0.7931	experimental	[1] Wang 2009 cites Massalski 1990	Table 5, p. 5, row 7 report
1238.15	peritectic: L + Ho6Mn23 -> HoMn2	L: Mn 0.3687; Ho6Mn23: Mn 0.7931; HoMn2: Mn 0.6667	model	[1] Wang 2009	Table 5, p. 5, row 6 report
1238.15	peritectic: L + Ho6Mn23 -> HoMn2	Ho6Mn23: Mn 0.7931; HoMn2: Mn 0.6667	experimental	[1] Wang 2009 cites Massalski 1990	Table 5, p. 5, row 5 report
1148.15	eutectic: L -> HoMn2 + (Ho)	L: Mn 0.2856; HoMn2: Mn 0.6667; (Ho): Mn 0	model	[1] Wang 2009	Table 5, p. 5, row 4 report
1148.15	eutectic: L -> HoMn2 + (Ho)	L: Mn 0.27; HoMn2: Mn 0.6667; (Ho): Mn 0	experimental	[1] Wang 2009 cites Massalski 1990	Table 5, p. 5, row 3 report
979.15	eutectoid: βMn -> αMn + HoMn12	βMn: Mn 0.9999; αMn: Mn 1; HoMn12: Mn 0.9231	model	[1] Wang 2009	Table 5, p. 5, row 2 report

Sources

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

C.P. Wang, H.L. Zhang, S.L. Wang, Z. Lin, X.J. Liu, A.T. Tang et al., Thermodynamic assessments of the Mn–Sm and Mn–Ho systems, Journal of Alloys and Compounds 481, 291-295 (2009). doi:10.1016/j.jallcom.2009.03.121

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}
}