Dy–Sn system

33 accepted literature values from 1 paper(s) (experimental 12, model 21); 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	12
model	21

Accepted values by property group
Property group	Values
invariant reaction	16
phase transition	3
formation	14

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
DySn-05Wan.tdb	X. Wang, X. Su, J.C. Tedenac, F. Yin, J. Wang, J. Alloys Compd., 396, 169-74(2005). doi:10.1016/j.jallcom.2004.12.033	`da7ac457ff574f4937a730aac2ccf5d03df4685d110e25a26f03950bcd91aeab`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
DySn-05Wan.tdb	1986.95	DY5SN3_D88 (x(Sn) 0.375) + DY5SN4 (x(Sn) 0.44444) + LIQUID (x(Sn) 0.48042)
DySn-05Wan.tdb	1986.95	DY5SN3_D88 (x(Sn) 0.375) + DY5SN4 (x(Sn) 0.44444) + LIQUID (x(Sn) 0.48052)
DySn-05Wan.tdb	1986.95	DY5SN3_D88 (x(Sn) 0.375) + DY5SN4 (x(Sn) 0.44444) + LIQUID (x(Sn) 0.48014)
DySn-05Wan.tdb	1879.5	DY5SN4 (x(Sn) 0.44444) + DY11SN10 (x(Sn) 0.47619) + LIQUID (x(Sn) 0.53749)
DySn-05Wan.tdb	1879.5	DY5SN4 (x(Sn) 0.44444) + DY11SN10 (x(Sn) 0.47619) + LIQUID (x(Sn) 0.53735)
DySn-05Wan.tdb	1879.5	DY5SN4 (x(Sn) 0.44444) + DY11SN10 (x(Sn) 0.47619) + LIQUID (x(Sn) 0.53758)
DySn-05Wan.tdb	1675.22	BCC_A2 (x(Sn) 0) + HCP_A3 (x(Sn) 0.00408) + LIQUID (x(Sn) 0.0048)
DySn-05Wan.tdb	1675.22	BCC_A2 (x(Sn) 0) + HCP_A3 (x(Sn) 0.00408) + LIQUID (x(Sn) 0.0048)
DySn-05Wan.tdb	1498.82	HCP_A3 (x(Sn) 0.04009) + LIQUID (x(Sn) 0.11916) + DY5SN3_D88 (x(Sn) 0.375)
DySn-05Wan.tdb	1498.81	HCP_A3 (x(Sn) 0.04008) + LIQUID (x(Sn) 0.1191) + DY5SN3_D88 (x(Sn) 0.375)
DySn-05Wan.tdb	1481.89	DY11SN10 (x(Sn) 0.47619) + DYSN (x(Sn) 0.5) + LIQUID (x(Sn) 0.65152)
DySn-05Wan.tdb	1481.89	DY11SN10 (x(Sn) 0.47619) + DYSN (x(Sn) 0.5) + LIQUID (x(Sn) 0.65149)
DySn-05Wan.tdb	1481.89	DY11SN10 (x(Sn) 0.47619) + DYSN (x(Sn) 0.5) + LIQUID (x(Sn) 0.65157)
DySn-05Wan.tdb	1440.18	DYSN (x(Sn) 0.5) + DY4SN5 (x(Sn) 0.55556) + LIQUID (x(Sn) 0.66147)
DySn-05Wan.tdb	1440.18	DYSN (x(Sn) 0.5) + DY4SN5 (x(Sn) 0.55556) + LIQUID (x(Sn) 0.6615)
DySn-05Wan.tdb	1440.18	DYSN (x(Sn) 0.5) + DY4SN5 (x(Sn) 0.55556) + LIQUID (x(Sn) 0.66136)
DySn-05Wan.tdb	1413.54	DY4SN5 (x(Sn) 0.55556) + DYSN2_C49 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.67141)
DySn-05Wan.tdb	1413.54	DY4SN5 (x(Sn) 0.55556) + DYSN2_C49 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.67151)
DySn-05Wan.tdb	1413.54	DY4SN5 (x(Sn) 0.55556) + DYSN2_C49 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.6714)
DySn-05Wan.tdb	1014.16	DYSN2_C49 (x(Sn) 0.66667) + DYSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.87324)
DySn-05Wan.tdb	1014.16	DYSN2_C49 (x(Sn) 0.66667) + DYSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.87321)
DySn-05Wan.tdb	1014.16	DYSN2_C49 (x(Sn) 0.66667) + DYSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.87321)
DySn-05Wan.tdb	769.4	DYSN2_C49 (x(Sn) 0.66667) + DYSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.95064)
DySn-05Wan.tdb	769.4	DYSN2_C49 (x(Sn) 0.66667) + DYSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.95065)
DySn-05Wan.tdb	769.4	DYSN2_C49 (x(Sn) 0.66667) + DYSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.95065)
DySn-05Wan.tdb	505.04	DYSN2_C49 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.99988) + BCT_A5 (x(Sn) 1)
DySn-05Wan.tdb	505.04	DYSN2_C49 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.99988) + 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 Dy–Sn system (16)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1987	Liq. + Dy5Sn3 -> Dy5Sn4	Liq.: Sn 0.48; Dy5Sn3: Sn 0.375; Dy5Sn4: Sn 0.444444	model	[1] Wang 2005	Table 2, p. 4, row 5 report
1985	Liq. + Dy5Sn3 -> Dy5Sn4	Liq.: Sn 0.47; Dy5Sn3: Sn 0.375; Dy5Sn4: Sn 0.444444	experimental	[1] Wang 2005 cites Eremenko 1992 doi	Table 2, p. 4, row 6 report
1879	Liq. + Dy5Sn4 -> Dy11Sn10	Liq.: Sn 0.538; Dy5Sn4: Sn 0.444444; Dy11Sn10: Sn 0.47619	model	[1] Wang 2005	Table 2, p. 4, row 7 report
1878	Liq. + Dy5Sn4 -> Dy11Sn10	Liq.: Sn 0.518; Dy5Sn4: Sn 0.444444; Dy11Sn10: Sn 0.47619	experimental	[1] Wang 2005 cites Eremenko 1992 doi	Table 2, p. 4, row 8 report
1482	Liq. + Dy11Sn10 -> DySn	Liq.: Sn 0.652; Dy11Sn10: Sn 0.47619; DySn: Sn 0.5	model	[1] Wang 2005	Table 2, p. 4, row 9 report
1481	Liq. + Dy11Sn10 -> DySn	Liq.: Sn 0.635; Dy11Sn10: Sn 0.47619; DySn: Sn 0.5	experimental	[1] Wang 2005 cites Eremenko 1992 doi	Table 2, p. 4, row 10 report
1477	eutectic: Liq. -> Dy5Sn3 + α-Dy	Liq.: Sn 0.13; Dy5Sn3: Sn 0.375	experimental	[1] Wang 2005 cites Eremenko 1992 doi	Table 2, p. 4, row 2 report
1474	eutectic: Liq. -> Dy5Sn3 + α-Dy	Liq.: Sn 0.117; Dy5Sn3: Sn 0.375	model	[1] Wang 2005	Table 2, p. 4, row 1 report
1440	Liq. + DySn -> Dy4Sn5	Liq.: Sn 0.662; DySn: Sn 0.5; Dy4Sn5: Sn 0.555556	model	[1] Wang 2005	Table 2, p. 4, row 11 report
1439	Liq. + DySn -> Dy4Sn5	Liq.: Sn 0.655; DySn: Sn 0.5; Dy4Sn5: Sn 0.555556	experimental	[1] Wang 2005 cites Eremenko 1992 doi	Table 2, p. 4, row 12 report
1414	Liq. + Dy4Sn5 -> DySn2	Liq.: Sn 0.67; Dy4Sn5: Sn 0.555556; DySn2: Sn 0.666667	model	[1] Wang 2005	Table 2, p. 4, row 13 report
1411	Liq. + Dy4Sn5 -> DySn2	Liq.: Sn 0.7; Dy4Sn5: Sn 0.555556; DySn2: Sn 0.666667	experimental	[1] Wang 2005 cites Eremenko 1992 doi	Table 2, p. 4, row 14 report
1020	Liq. + DySn2 -> DySn3	Liq.: Sn 0.951; DySn2: Sn 0.666667; DySn3: Sn 0.75	experimental	[1] Wang 2005 cites Eremenko 1992 doi	Table 2, p. 4, row 16 report
1014	Liq. + DySn2 -> DySn3	Liq.: Sn 0.873; DySn2: Sn 0.666667; DySn3: Sn 0.75	model	[1] Wang 2005	Table 2, p. 4, row 15 report
772	DySn3 -> Liq. + DySn2	DySn3: Sn 0.75; Liq.: Sn 0.985; DySn2: Sn 0.666667	experimental	[1] Wang 2005 cites Eremenko 1992 doi	Table 2, p. 4, row 18 report
769.4	DySn3 -> Liq. + DySn2	DySn3: Sn 0.75; Liq.: Sn 0.951; DySn2: Sn 0.666667	model	[1] Wang 2005	Table 2, p. 4, row 17 report

Formation enthalpies

Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.

Enthalpies of formation, Dy–Sn system (14)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location
Dy11Sn10	Dy11Sn10	-73.792 kJ/mol-atom		model	-70.873 (mp-aaaabthw)	-75.232 (oqmd-89149)	[1] Wang 2005	Table 3, p. 5, row 21 report
Dy4Sn5		-70.127 kJ/mol-atom		model			[1] Wang 2005	Table 3, p. 5, row 24 report
Dy5Sn3	Dy5Sn3	-75.1 kJ/mol-atom	1473	experimental	-69.483 (mp-aaaabthv)	-73.059 (oqmd-31219)	[1] Wang 2005 cites Meschel 1996 doi	Table 3, p. 5, row 2 report
Dy5Sn3	Dy5Sn3	-70.09 kJ/mol-atom		model	-69.483 (mp-aaaabthv)	-73.059 (oqmd-31219)	[1] Wang 2005	Table 3, p. 5, row 15 report
Dy5Sn3	Dy5Sn3	-61 kJ/mol-atom		model	-69.483 (mp-aaaabthv)	-73.059 (oqmd-31219)	[1] Wang 2005 cites Colinet 1984 doi	Table 3, p. 5, row 16 report
Dy5Sn4	Dy5Sn4	-72.578 kJ/mol-atom		model	-70.92 (mp-aaacqgij)	-75.664 (oqmd-665542)	[1] Wang 2005	Table 3, p. 5, row 19 report
Dy5Sn4	Dy5Sn4	-66 kJ/mol-atom		model	-70.92 (mp-aaacqgij)	-75.664 (oqmd-665542)	[1] Wang 2005 cites Colinet 1984 doi	Table 3, p. 5, row 20 report
DySn	DySn	-74.009 kJ/mol-atom		model		-74.639 (oqmd-1364520)	[1] Wang 2005	Table 3, p. 5, row 22 report
DySn	DySn	-68 kJ/mol-atom		model		-74.639 (oqmd-1364520)	[1] Wang 2005 cites Colinet 1984 doi	Table 3, p. 5, row 23 report
DySn2	DySn2	-65.46 kJ/mol-atom		model	-56.821 (mp-aaaabdqb)	-62.851 (oqmd-19578)	[1] Wang 2005	Table 3, p. 5, row 17 report
DySn2	DySn2	-64.3 kJ/mol-atom	298.15	experimental	-56.821 (mp-aaaabdqb)	-62.851 (oqmd-19578)	[1] Wang 2005 cites Yamshchikov 1990	Table 3, p. 5, row 5 report
DySn2	DySn2	-57 kJ/mol-atom		model	-56.821 (mp-aaaabdqb)	-62.851 (oqmd-19578)	[1] Wang 2005 cites Colinet 1984 doi	Table 3, p. 5, row 18 report
DySn3	DySn3	-49.644 kJ/mol-atom		model	-40.971 (mp-aaabgmme)	-49.955 (oqmd-686100)	[1] Wang 2005	Table 3, p. 5, row 25 report
DySn3	DySn3	-44 kJ/mol-atom		model	-40.971 (mp-aaabgmme)	-49.955 (oqmd-686100)	[1] Wang 2005 cites Colinet 1984 doi	Table 3, p. 5, row 26 report

Other properties

Phase transition (3)

Phase transition, Dy–Sn system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	2139 K	2139	Liq. -> Dy5Sn3 Liq.: Sn 0.375; Dy5Sn3: Sn 0.375	model	[1] Wang 2005	Table 2, p. 4, row 3 report
Phase transition	2143 K	2143	Liq. -> Dy5Sn3 Liq.: Sn 0.375; Dy5Sn3: Sn 0.375	experimental	[1] Wang 2005 cites Eremenko 1992 doi	Table 2, p. 4, row 4 report
Phase transition	2143 K	2143	congruent transformation	experimental	[1] Wang 2005 cites Eremenko 1992 doi	p. 4 report	In the diagram of Eremenko et al. [10], Dy5 Sn3 melts congruently at 2143 K.

Sources

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

Xinming Wang, Xuping Su, J.C. Tedenac, Fucheng Yin, Jianhua Wang, A thermodynamic assessment of the Dy–Sn system, Journal of Alloys and Compounds 396, 169-174 (2005). doi:10.1016/j.jallcom.2004.12.033

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}
}