Ho–Sn system

23 accepted literature values from 1 paper(s) (experimental 11, model 12); 1 calculated phase diagram(s).

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (13) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	11
model	12

Accepted values by property group
Property group	Values
invariant reaction	20
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
HoSn-14Idd.tdb	A. Iddaoudi, N. Selhaoui, S. Kardellass, M. Ait Amar, K. Mahdouk, H. Najih, L. Bouirden, J. Therm. Anal. Calorim., 115, 941-45(2014). doi:10.1007/s10973-013-3352-4	`41e6877408a408d40e75d925a0ed2e20731707b02b3cc6aabf3cf9bb6457243b`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
HoSn-14Idd.tdb	1987.44	HO5SN3_D88 (x(Sn) 0.375) + HO5SN4 (x(Sn) 0.44444) + LIQUID (x(Sn) 0.48176)
HoSn-14Idd.tdb	1987.44	HO5SN3_D88 (x(Sn) 0.375) + HO5SN4 (x(Sn) 0.44444) + LIQUID (x(Sn) 0.4818)
HoSn-14Idd.tdb	1987.44	HO5SN3_D88 (x(Sn) 0.375) + HO5SN4 (x(Sn) 0.44444) + LIQUID (x(Sn) 0.48152)
HoSn-14Idd.tdb	1871.14	HO5SN4 (x(Sn) 0.44444) + HO11SN10 (x(Sn) 0.47619) + LIQUID (x(Sn) 0.53514)
HoSn-14Idd.tdb	1871.14	HO5SN4 (x(Sn) 0.44444) + HO11SN10 (x(Sn) 0.47619) + LIQUID (x(Sn) 0.53509)
HoSn-14Idd.tdb	1871.14	HO5SN4 (x(Sn) 0.44444) + HO11SN10 (x(Sn) 0.47619) + LIQUID (x(Sn) 0.53523)
HoSn-14Idd.tdb	1538.27	HCP_A3 (x(Sn) 0.02503) + LIQUID (x(Sn) 0.13465) + HO5SN3_D88 (x(Sn) 0.375)
HoSn-14Idd.tdb	1538.27	HCP_A3 (x(Sn) 0.02501) + LIQUID (x(Sn) 0.13458) + HO5SN3_D88 (x(Sn) 0.375)
HoSn-14Idd.tdb	1428.67	HO11SN10 (x(Sn) 0.47619) + HO4SN5 (x(Sn) 0.55556) + LIQUID (x(Sn) 0.666)
HoSn-14Idd.tdb	1428.67	HO11SN10 (x(Sn) 0.47619) + HO4SN5 (x(Sn) 0.55556) + LIQUID (x(Sn) 0.66592)
HoSn-14Idd.tdb	1428.67	HO11SN10 (x(Sn) 0.47619) + HO4SN5 (x(Sn) 0.55556) + LIQUID (x(Sn) 0.66602)
HoSn-14Idd.tdb	1379.69	HO4SN5 (x(Sn) 0.55556) + HOSN2_C49 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.68414)
HoSn-14Idd.tdb	1379.69	HO4SN5 (x(Sn) 0.55556) + HOSN2_C49 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.68421)
HoSn-14Idd.tdb	1379.69	HO4SN5 (x(Sn) 0.55556) + HOSN2_C49 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.68386)
HoSn-14Idd.tdb	782.01	HOSN2_C49 (x(Sn) 0.66667) + HO2SN5 (x(Sn) 0.71429) + LIQUID (x(Sn) 0.99238)
HoSn-14Idd.tdb	782.01	HOSN2_C49 (x(Sn) 0.66667) + HO2SN5 (x(Sn) 0.71429) + LIQUID (x(Sn) 0.99241)
HoSn-14Idd.tdb	782.01	HOSN2_C49 (x(Sn) 0.66667) + HO2SN5 (x(Sn) 0.71429) + LIQUID (x(Sn) 0.99237)
HoSn-14Idd.tdb	782.01	HOSN2_C49 (x(Sn) 0.66667) + HO2SN5 (x(Sn) 0.71429) + LIQUID (x(Sn) 0.99241)
HoSn-14Idd.tdb	720.56	HO2SN5 (x(Sn) 0.71429) + HOSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99696)
HoSn-14Idd.tdb	720.56	HO2SN5 (x(Sn) 0.71429) + HOSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99696)
HoSn-14Idd.tdb	720.56	HO2SN5 (x(Sn) 0.71429) + HOSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99694)
HoSn-14Idd.tdb	505.07	HOSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99998) + BCT_A5 (x(Sn) 1)
HoSn-14Idd.tdb	505.07	HOSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99998) + BCT_A5 (x(Sn) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Ho–Sn system (20)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location	Quote
1993	Liq + Ho5Sn4 -> Ho5Sn3	Liq: Sn 0.46; Ho5Sn4: Sn 0.444444; Ho5Sn3: Sn 0.375	experimental	[1] Iddaoudi 2014 cites Bulanova 1998 doi	Table 3, p. 3, row 13 report
1991	Liq + Ho5Sn4 -> Ho5Sn3	Liq: Sn 0.474; Ho5Sn4: Sn 0.444444; Ho5Sn3: Sn 0.375	model	[1] Iddaoudi 2014	Table 3, p. 3, row 14 report
1868	Liq + Sn10Ho11 -> Ho5Sn4	Liq: Sn 0.535; Sn10Ho11: Sn 0.47619; Ho5Sn4: Sn 0.444444	model	[1] Iddaoudi 2014	Table 3, p. 3, row 12 report
1865	Liq + Sn10Ho11 -> Ho5Sn4	Liq: Sn 0.49; Sn10Ho11: Sn 0.47619; Ho5Sn4: Sn 0.444444	experimental	[1] Iddaoudi 2014 cites Bulanova 1998 doi	Table 3, p. 3, row 11 report
1525	eutectic: Liq -> Ho +Ho5Sn3	Liq: Sn 0.135; Ho5Sn3: Sn 0.375	model	[1] Iddaoudi 2014	Table 3, p. 3, row 18 report
1525	eutectic: Liq -> Ho +Ho5Sn3	Liq: Sn 0.13; Ho5Sn3: Sn 0.375	experimental	[1] Iddaoudi 2014 cites Bulanova 1998 doi	Table 3, p. 3, row 17 report
1423	Liq + Ho4Sn5 -> Sn10Ho11	Liq: Sn 0.666; Ho4Sn5: Sn 0.555556; Sn10Ho11: Sn 0.47619	model	[1] Iddaoudi 2014	Table 3, p. 3, row 10 report
1417	Liq + Ho4Sn5 -> Sn10Ho11	Liq: Sn 0.66; Ho4Sn5: Sn 0.555556; Sn10Ho11: Sn 0.47619	experimental	[1] Iddaoudi 2014 cites Bulanova 1998 doi	Table 3, p. 3, row 9 report
1387	Liq + HoSn2 -> Ho4Sn5	Liq: Sn 0.7; HoSn2: Sn 0.666667; Ho4Sn5: Sn 0.555556	experimental	[1] Iddaoudi 2014 cites Bulanova 1998 doi	Table 3, p. 3, row 7 report
1380	Liq + HoSn2 -> Ho4Sn5	Liq: Sn 0.683; HoSn2: Sn 0.666667; Ho4Sn5: Sn 0.555556	model	[1] Iddaoudi 2014	Table 3, p. 3, row 8 report
793	peritectic		experimental	[1] Iddaoudi 2014 cites Palenzona 1993 doi	p. 1 report	For the HoSn2, Ho2Sn5, and HoSn3 compounds, a peritectic formation were reported, respectively, at 1,403, 793, and 693 K.
782	Liq + Ho2Sn5 -> HoSn2	Liq: Sn 0.992; Ho2Sn5: Sn 0.714286; HoSn2: Sn 0.666667	model	[1] Iddaoudi 2014	Table 3, p. 3, row 6 report
782	peritectic		model	[1] Iddaoudi 2014 cites Bulanova 1998 doi	p. 1 report	For the Ho5Sn3 compound, a congruent melting was estimated at 2,188 K, while for the Ho5Sn4, Ho11Sn10, Ho4Sn5, HoSn2, Ho2Sn5, and HoSn3 compounds, a peritectic formation was reported, respectively, at 1,993, 1,865, 1,417, 1,387, 782, and 693 K (see Fig. 1).
782	Liq + Ho2Sn5 -> HoSn2	Liq: Sn 0.992; Ho2Sn5: Sn 0.714286; HoSn2: Sn 0.666667	experimental	[1] Iddaoudi 2014 cites Bulanova 1998 doi	Table 3, p. 3, row 5 report
693	Liq + HoSn3 -> Ho2Sn5	Liq: Sn 0.995; HoSn3: Sn 0.75; Ho2Sn5: Sn 0.714286	experimental	[1] Iddaoudi 2014 cites Bulanova 1998 doi	Table 3, p. 3, row 3 report
693	peritectic		experimental	[1] Iddaoudi 2014 cites Palenzona 1993 doi	p. 1 report	For the HoSn2, Ho2Sn5, and HoSn3 compounds, a peritectic formation were reported, respectively, at 1,403, 793, and 693 K.
693	peritectic		model	[1] Iddaoudi 2014 cites Bulanova 1998 doi	p. 1 report	For the Ho5Sn3 compound, a congruent melting was estimated at 2,188 K, while for the Ho5Sn4, Ho11Sn10, Ho4Sn5, HoSn2, Ho2Sn5, and HoSn3 compounds, a peritectic formation was reported, respectively, at 1,993, 1,865, 1,417, 1,387, 782, and 693 K (see Fig. 1).
693	Liq + HoSn3 -> Ho2Sn5	Liq: Sn 0.998; HoSn3: Sn 0.75; Ho2Sn5: Sn 0.714286	model	[1] Iddaoudi 2014	Table 3, p. 3, row 4 report
505	eutectic: Liq -> βSn + HoSn3	Liq: Sn 1; βSn: Sn 1; HoSn3: Sn 0.75	model	[1] Iddaoudi 2014	Table 3, p. 3, row 2 report
502	eutectic: Liq -> βSn + HoSn3	Liq: Sn 0.999; βSn: Sn 1; HoSn3: Sn 0.75	experimental	[1] Iddaoudi 2014 cites Bulanova 1998 doi	Table 3, p. 3, row 1 report

Other properties

Phase transition (3)

Phase transition, Ho–Sn system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	2181 K	2181	Liq -> Ho5Sn3 Liq: Sn 0.375; Ho5Sn3: Sn 0.375	model	[1] Iddaoudi 2014	Table 3, p. 3, row 16 report
Phase transition	2188 K	2188	Liq -> Ho5Sn3 Liq: Sn 0.375; Ho5Sn3: Sn 0.375	experimental	[1] Iddaoudi 2014 cites Bulanova 1998 doi	Table 3, p. 3, row 15 report
Phase transition	2188 K	2188	congruent transformation	model	[1] Iddaoudi 2014 cites Bulanova 1998 doi	p. 1 report	For the Ho5Sn3 compound, a congruent melting was estimated at 2,188 K, while for the Ho5Sn4, Ho11Sn10, Ho4Sn5, HoSn2, Ho2Sn5, and HoSn3 compounds, a peritectic formation was reported, respectively, at 1,993, 1,865, 1,417, 1,387, 782, and 693 K (see Fig. 1).

Sources

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

A. Iddaoudi, N. Selhaoui, S. Kardellass, M. Ait Amar, K. Mahdouk, H. Najih et al., Thermodynamic optimization of the Ho–Sn system, J Therm Anal Calorim 115, 941-945 (2014). doi:10.1007/s10973-013-3352-4

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}
}