Eu–Sn system

24 accepted literature values from 1 paper(s) (experimental 15, model 9); 1 calculated phase diagram(s). 6 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	15
model	9

Accepted values by property group
Property group	Values
invariant reaction	18
phase transition	6

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
EuSn-04Liu-LB.tdb	L. Liu, C. Li, F. Wang, Z. Du, W. Zhang, J. Alloys Compd., 379, 148-53(2004). doi:10.1016/j.jallcom.2004.02.012	`f031ab43145b765a66378730168ac32226d14c335a4d9a1b8983aa3cdb198fe8`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
EuSn-04Liu-LB.tdb	1396.02	EU2SN_C37 (x(Sn) 0.33333) + EU5SN3_D8M (x(Sn) 0.375) + LIQUID (x(Sn) 0.42957)
EuSn-04Liu-LB.tdb	1396.02	EU2SN_C37 (x(Sn) 0.33333) + EU5SN3_D8M (x(Sn) 0.375) + LIQUID (x(Sn) 0.4295)
EuSn-04Liu-LB.tdb	1356.08	EU5SN3_D8M (x(Sn) 0.375) + LIQUID (x(Sn) 0.44521) + EUSN_B33 (x(Sn) 0.5)
EuSn-04Liu-LB.tdb	1356.08	EU5SN3_D8M (x(Sn) 0.375) + LIQUID (x(Sn) 0.44514) + EUSN_B33 (x(Sn) 0.5)
EuSn-04Liu-LB.tdb	1356.08	EU5SN3_D8M (x(Sn) 0.375) + LIQUID (x(Sn) 0.44527) + EUSN_B33 (x(Sn) 0.5)
EuSn-04Liu-LB.tdb	1170.98	EUSN_B33 (x(Sn) 0.5) + EU3SN5 (x(Sn) 0.625) + LIQUID (x(Sn) 0.62551)
EuSn-04Liu-LB.tdb	1170.98	EUSN_B33 (x(Sn) 0.5) + EU3SN5 (x(Sn) 0.625) + LIQUID (x(Sn) 0.62532)
EuSn-04Liu-LB.tdb	1062.96	BCC_A2 (x(Sn) 7.000e-4) + LIQUID (x(Sn) 0.05427) + EU2SN_C37 (x(Sn) 0.33333)
EuSn-04Liu-LB.tdb	1062.96	BCC_A2 (x(Sn) 7.000e-4) + LIQUID (x(Sn) 0.05401) + EU2SN_C37 (x(Sn) 0.33333)
EuSn-04Liu-LB.tdb	1060.31	EU3SN5 (x(Sn) 0.625) + LIQUID (x(Sn) 0.71924) + EUSN3_L12 (x(Sn) 0.75)
EuSn-04Liu-LB.tdb	1060.3	EU3SN5 (x(Sn) 0.625) + LIQUID (x(Sn) 0.71945) + EUSN3_L12 (x(Sn) 0.75)
EuSn-04Liu-LB.tdb	1060.3	EU3SN5 (x(Sn) 0.625) + LIQUID (x(Sn) 0.71946) + EUSN3_L12 (x(Sn) 0.75)
EuSn-04Liu-LB.tdb	501.58	EUSN3_L12 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99147) + BCT_A5 (x(Sn) 1)
EuSn-04Liu-LB.tdb	501.58	EUSN3_L12 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99154) + 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 Eu–Sn system (18)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1398	peritectic: Liquid + Eu2Sn -> Eu5Sn3	L: Sn 0.375; Eu2Sn: Eu 0.666667, Sn 0.333333; Eu5Sn3: Eu 0.625, Sn 0.375	experimental	[1] Liu 2004 cites Conclusions	Table 1, p. 2, row 6 report
1398	Liquid + Eu2Sn -> Eu5Sn3	L: Sn 0.419; Eu2Sn: Sn 0.333333; Eu5Sn3: Sn 0.375	experimental	[1] Liu 2004 cites Conclusions	Table 4, p. 4, row 5 report
1396	Liquid + Eu2Sn -> Eu5Sn3	L: Sn 0.4296; Eu2Sn: Sn 0.333333; Eu5Sn3: Sn 0.375	model	[1] Liu 2004	Table 4, p. 4, row 6 report
1356	eutectic: Liquid -> Eu5Sn3 + EuSn	L: Sn 0.4452; Eu5Sn3: Sn 0.375; EuSn: Sn 0.5	model	[1] Liu 2004	Table 4, p. 4, row 8 report
1348	eutectic: Liquid -> Eu5Sn3 + EuSn	L: Sn 0.44; Eu5Sn3: Eu 0.625, Sn 0.375; EuSn: Eu 0.5, Sn 0.5	experimental	[1] Liu 2004 cites Conclusions	Table 1, p. 2, row 3 report
1348	eutectic: Liquid -> Eu5Sn3 + EuSn	L: Sn 0.44; Eu5Sn3: Sn 0.375; EuSn: Sn 0.5	experimental	[1] Liu 2004 cites Conclusions	Table 4, p. 4, row 7 report
1173	peritectic: Liquid + EuSn -> Eu3Sn5	L: Sn 0.62; EuSn: Eu 0.5, Sn 0.5; Eu3Sn5: Eu 0.375, Sn 0.625	experimental	[1] Liu 2004 cites Conclusions	Table 1, p. 2, row 5 report
1173	Liquid + EuSn -> Eu3Sn5	L: Sn 0.62; EuSn: Sn 0.5; Eu3Sn5: Sn 0.625	experimental	[1] Liu 2004 cites Conclusions	Table 4, p. 4, row 11 report
1171	Liquid + EuSn -> Eu3Sn5	L: Sn 0.6255; EuSn: Sn 0.5; Eu3Sn5: Sn 0.625	model	[1] Liu 2004	Table 4, p. 4, row 12 report
1063	eutectic: Liquid -> Eu2Sn + Eu(bcc)	L: Sn 0.05; Eu2Sn: Sn 0.333333	experimental	[1] Liu 2004 cites Conclusions	Table 4, p. 4, row 1 report
1063	eutectic: Liquid -> Eu2Sn + (bcc)Eu	L: Sn 0.05; Eu2Sn: Eu 0.666667, Sn 0.333333	experimental	[1] Liu 2004 cites Conclusions	Table 1, p. 2, row 4 report
1063	eutectic: Liquid -> Eu2Sn + Eu(bcc)	L: Sn 0.054; Eu2Sn: Sn 0.333333	model	[1] Liu 2004	Table 4, p. 4, row 2 report
1060	eutectic: Liquid -> Eu3Sn5 + EuSn3	L: Sn 0.7194; Eu3Sn5: Sn 0.625; EuSn3: Sn 0.75	model	[1] Liu 2004	Table 4, p. 4, row 14 report
1058	eutectic: Liquid -> Eu3Sn5 + EuSn3	L: Sn 0.73; Eu3Sn5: Sn 0.625; EuSn3: Sn 0.75	experimental	[1] Liu 2004 cites Conclusions	Table 4, p. 4, row 13 report
1058	eutectic: Liquid -> Eu3Sn5 + EuSn3	L: Sn 0.74; Eu3Sn5: Eu 0.375, Sn 0.625; EuSn3: Eu 0.25, Sn 0.75	experimental	[1] Liu 2004 cites Conclusions	Table 1, p. 2, row 2 report
503	eutectic: Liquid -> EuSn3 + (bct)Sn	EuSn3: Eu 0.25, Sn 0.75	experimental	[1] Liu 2004 cites Palenzona 1996 doi	Table 1, p. 2, row 1 report
503	eutectic: Liquid -> EuSn3 + Sn(bct)	L: Sn 0.998; EuSn3: Sn 0.75; Sn(bct): Sn 1	experimental	[1] Liu 2004 cites Conclusions	Table 4, p. 4, row 17 report
501.6	eutectic: Liquid -> EuSn3 + Sn(bct)	L: Sn 0.9915; EuSn3: Sn 0.75; Sn(bct): Sn 1	model	[1] Liu 2004	Table 4, p. 4, row 18 report

Other properties

Phase transition (6)

Phase transition, Eu–Sn system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Phase transition	1068 K	1068	Liquid -> EuSn3 L: Sn 0.75; EuSn3: Sn 0.75	experimental	[1] Liu 2004 cites Conclusions	Table 4, p. 4, row 15 report
Phase transition	1069 K	1069	Liquid -> EuSn3 L: Sn 0.75; EuSn3: Sn 0.75	model	[1] Liu 2004	Table 4, p. 4, row 16 report
Phase transition	1395 K	1395	Liquid -> EuSn L: Sn 0.5; EuSn: Sn 0.5	model	[1] Liu 2004	Table 4, p. 4, row 10 report
Phase transition	1398 K	1398	Liquid -> EuSn L: Sn 0.5; EuSn: Sn 0.5	experimental	[1] Liu 2004 cites Conclusions	Table 4, p. 4, row 9 report
Phase transition	1628 K	1628	Liquid -> Eu2Sn L: Sn 0.3333; Eu2Sn: Sn 0.333333	experimental	[1] Liu 2004 cites Conclusions	Table 4, p. 4, row 3 report
Phase transition	1628 K	1628	Liquid -> Eu2Sn L: Sn 0.3333; Eu2Sn: Sn 0.333333	model	[1] Liu 2004	Table 4, p. 4, row 4 report

Sources

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

Lihui Liu, Changrong Li, Fuming Wang, Zhenmin Du, Weijing Zhang, Thermodynamic assessment of the Eu–Sn system, Journal of Alloys and Compounds 379, 148-153 (2004). doi:10.1016/j.jallcom.2004.02.012

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}
}