Si–Yb system

145 accepted literature values from 1 paper(s) (experimental 119, model 26); 1 calculated phase diagram(s). 4 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 (11) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	119
model	26

Accepted values by property group
Property group	Values
invariant reaction	24
phase transition	41
phase equilibrium	21
formation	31
activity / EMF / Gibbs energy	13
crystal structure	15

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
SiYb-05Bru.tdb	S. Brutti, G. Balducci, A. Ciccioli, G. Gigli, Calphad, 29, 254-61(2005). doi:10.1016/j.calphad.2005.06.004	`69e87e54956cef3f47a527fadca0e24fd69d4f4395f485c17160e37ca5bab7ee`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
SiYb-05Bru.tdb	1939.13	SIYB_B27 (x(Yb) 0.5) + SI4YB5 (x(Yb) 0.55556) + LIQUID (x(Yb) 0.56069)
SiYb-05Bru.tdb	1939.13	SIYB_B27 (x(Yb) 0.5) + SI4YB5 (x(Yb) 0.55556) + LIQUID (x(Yb) 0.56096)
SiYb-05Bru.tdb	1890.67	SI4YB5 (x(Yb) 0.55556) + SI3YB5_D88 (x(Yb) 0.625) + LIQUID (x(Yb) 0.64978)
SiYb-05Bru.tdb	1890.67	SI4YB5 (x(Yb) 0.55556) + SI3YB5_D88 (x(Yb) 0.625) + LIQUID (x(Yb) 0.65006)
SiYb-05Bru.tdb	1890.67	SI4YB5 (x(Yb) 0.55556) + SI3YB5_D88 (x(Yb) 0.625) + LIQUID (x(Yb) 0.64972)
SiYb-05Bru.tdb	1890.67	SI4YB5 (x(Yb) 0.55556) + SI3YB5_D88 (x(Yb) 0.625) + LIQUID (x(Yb) 0.65006)
SiYb-05Bru.tdb	1676.97	LIQUID (x(Yb) 0.28795) + SI2YB_C32 (x(Yb) 0.36496) + SIYB_B27 (x(Yb) 0.5)
SiYb-05Bru.tdb	1676.97	LIQUID (x(Yb) 0.28769) + SI2YB_C32 (x(Yb) 0.36496) + SIYB_B27 (x(Yb) 0.5)
SiYb-05Bru.tdb	1439.32	DIAMOND_A4 (x(Yb) 0) + LIQUID (x(Yb) 0.15644) + SI2YB_C32 (x(Yb) 0.36496)
SiYb-05Bru.tdb	1439.32	DIAMOND_A4 (x(Yb) 0) + LIQUID (x(Yb) 0.15625) + SI2YB_C32 (x(Yb) 0.36496)
SiYb-05Bru.tdb	1257.13	SI2YB_C32 (x(Yb) 0.36496) + SI11YB8 (x(Yb) 0.42105) + SIYB_B27 (x(Yb) 0.5)
SiYb-05Bru.tdb	1241.98	SI2YB_C32 (x(Yb) 0.36496) + SI5YB3 (x(Yb) 0.375) + SI11YB8 (x(Yb) 0.42105)
SiYb-05Bru.tdb	1096.2	SI3YB5_D88 (x(Yb) 0.625) + LIQUID (x(Yb) 0.99939) + BCC_A2 (x(Yb) 1)
SiYb-05Bru.tdb	1096.2	SI3YB5_D88 (x(Yb) 0.625) + LIQUID (x(Yb) 0.99939) + BCC_A2 (x(Yb) 1)
SiYb-05Bru.tdb	1096.2	SI3YB5_D88 (x(Yb) 0.625) + LIQUID (x(Yb) 0.99939) + BCC_A2 (x(Yb) 1)
SiYb-05Bru.tdb	1034.45	DIAMOND_A4 (x(Yb) 0) + SI2YB_C32 (x(Yb) 0.36496) + SI5YB3 (x(Yb) 0.375)
SiYb-05Bru.tdb	1033	SI3YB5_D88 (x(Yb) 0.625) + FCC_A1 (x(Yb) 1) + BCC_A2 (x(Yb) 1)

Convex hulls: OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Si–Yb system (24)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1983	other: L = YbSi	L: Si 0.5, Yb 0.5; YbSi: Si 0.5, Yb 0.5	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 5, p. 6, row 10 report
1974	other: L = YbSi	L: Si 0.5, Yb 0.5; YbSi: Si 0.5, Yb 0.5	model	[1] Brutti 2005	Table 5, p. 6, row 9 report
1954	other: L + Yb5Si4 = YbSi	Yb5Si4: Si 0.444444, Yb 0.555556; YbSi: Si 0.5, Yb 0.5	model	[1] Brutti 2005	Table 5, p. 6, row 7 report
1953	other: L + Yb5Si4 = YbSi	Yb5Si4: Si 0.444444, Yb 0.555556; YbSi: Si 0.5, Yb 0.5	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 5, p. 6, row 8 report
1907	other: L + Yb5Si4 = Yb5Si3	Yb5Si4: Si 0.444444, Yb 0.555556; Yb5Si3: Si 0.375, Yb 0.625	model	[1] Brutti 2005	Table 5, p. 6, row 5 report
1903	other: L + Yb5Si4 = Yb5Si3	Yb5Si4: Si 0.444444, Yb 0.555556; Yb5Si3: Si 0.375, Yb 0.625	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 5, p. 6, row 6 report
1698	other: L + YbSi = YbSi1.74	YbSi: Si 0.5, Yb 0.5; YbSi1.74: Si 0.635036, Yb 0.364964	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 5, p. 6, row 12 report
1681	other: L + YbSi = YbSi1.74	YbSi: Si 0.5, Yb 0.5; YbSi1.74: Si 0.635036, Yb 0.364964	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 5, p. 6, row 13 report
1681	other: L + YbSi = YbSi1.74	YbSi: Si 0.5, Yb 0.5; YbSi1.74: Si 0.635036, Yb 0.364964	model	[1] Brutti 2005	Table 5, p. 6, row 11 report
1440	eutectic: L = Si + YbSi1.74	L: Si 0.844; YbSi1.74: Si 0.635036, Yb 0.364964	model	[1] Brutti 2005	Table 5, p. 6, row 14 report
1418	eutectic: L = Si + YbSi1.74	L: Si 0.81; YbSi1.74: Si 0.635036, Yb 0.364964	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 5, p. 6, row 15 report
1408	eutectic: L = Si + YbSi1.74	L: Si 0.806; YbSi1.74: Si 0.635036, Yb 0.364964	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 5, p. 6, row 16 report
1261	peritectoid: YbSi1.74 + YbSi = Yb8Si11	YbSi1.74: Si 0.635036, Yb 0.364964; YbSi: Si 0.5, Yb 0.5; Yb8Si11: Si 0.578947, Yb 0.421053	experimental	[1] Brutti 2005 cites Brutti 2003 doi	Table 5, p. 6, row 19 report
1259	peritectoid: YbSi1.74 + YbSi = Yb8Si11	YbSi1.74: Si 0.635036, Yb 0.364964; YbSi: Si 0.5, Yb 0.5; Yb8Si11: Si 0.578947, Yb 0.421053	model	[1] Brutti 2005	Table 5, p. 6, row 17 report
1253	peritectoid: YbSi1.74 + YbSi = Yb8Si11	YbSi1.74: Si 0.635036, Yb 0.364964; YbSi: Si 0.5, Yb 0.5; Yb8Si11: Si 0.578947, Yb 0.421053	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 5, p. 6, row 18 report
1252	peritectoid: Yb8Si11 + YbSi1.74 = Yb3Si5	Yb8Si11: Si 0.578947, Yb 0.421053; YbSi1.74: Si 0.635036, Yb 0.364964; Yb3Si5: Si 0.625, Yb 0.375	experimental	[1] Brutti 2005 cites Brutti 2003 doi	Table 5, p. 6, row 22 report
1243	peritectoid: Yb8Si11 + YbSi1.74 = Yb3Si5	Yb8Si11: Si 0.578947, Yb 0.421053; YbSi1.74: Si 0.635036, Yb 0.364964; Yb3Si5: Si 0.625, Yb 0.375	model	[1] Brutti 2005	Table 5, p. 6, row 20 report
1238	peritectoid: Yb8Si11 + YbSi1.74 = Yb3Si5	Yb8Si11: Si 0.578947, Yb 0.421053; YbSi1.74: Si 0.635036, Yb 0.364964; Yb3Si5: Si 0.625, Yb 0.375	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 5, p. 6, row 21 report
1096	eutectic: L = Yb(bcc) + Yb5Si3	L: Si 0.001; Yb5Si3: Si 0.375, Yb 0.625	model	[1] Brutti 2005	Table 5, p. 6, row 3 report
1088	eutectic: L = Yb(bcc) + Yb5Si3	Yb5Si3: Si 0.375, Yb 0.625	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 5, p. 6, row 4 report
1056	eutectoid: YbSi1.74 = Yb3Si5 + Si	YbSi1.74: Si 0.635036, Yb 0.364964; Yb3Si5: Si 0.625, Yb 0.375	experimental	[1] Brutti 2005 cites Brutti 2003 doi	Table 5, p. 6, row 26 report
1043	eutectoid: YbSi1.74 = Yb3Si5 + Si	YbSi1.74: Si 0.635036, Yb 0.364964; Yb3Si5: Si 0.625, Yb 0.375	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 5, p. 6, row 24 report
1036	eutectoid: YbSi1.74 = Yb3Si5 + Si	YbSi1.74: Si 0.635036, Yb 0.364964; Yb3Si5: Si 0.625, Yb 0.375	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 5, p. 6, row 25 report
1036	eutectoid: YbSi1.74 = Yb3Si5 + Si	YbSi1.74: Si 0.635036, Yb 0.364964; Yb3Si5: Si 0.625, Yb 0.375	model	[1] Brutti 2005	Table 5, p. 6, row 23 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, Si–Yb system (14)
Phase	Compound	Value	T (K)	Class	OQMD DFT (kJ/mol-atom)	Source	Location
Yb3Si11		-49.1 kJ/mol-atom	298.15	model		[1] Brutti 2005	Table 6, p. 7, row 9 report
Yb3Si11		-48 kJ/mol-atom ± 3.1	298.15	experimental		[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 10 report
Yb3Si5	Si5Yb3	-45 kJ/mol-atom	298.15	model	-40.886 (oqmd-646768)	[1] Brutti 2005	Table 6, p. 7, row 11 report
Yb3Si5	Si5Yb3	-41.3 kJ/mol-atom ± 2.6	298.15	experimental	-40.886 (oqmd-646768)	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 12 report
Yb5Si3	Si3Yb5	-49.8 kJ/mol-atom	298.15	model	-47.727 (oqmd-1437174)	[1] Brutti 2005	Table 6, p. 7, row 1 report
Yb5Si3	Si3Yb5	-48.3 kJ/mol-atom ± 3.6	298.15	experimental	-47.727 (oqmd-1437174)	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 2 report
Yb5Si4	Si4Yb5	-53.2 kJ/mol-atom ± 4.6	298.15	experimental	-45.285 (oqmd-19744)	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 4 report
Yb5Si4	Si4Yb5	-51.1 kJ/mol-atom	298.15	model	-45.285 (oqmd-19744)	[1] Brutti 2005	Table 6, p. 7, row 3 report
Yb8Si11	Si11Yb8	-49.1 kJ/mol-atom	298.15	model	-46.119 (oqmd-19800)	[1] Brutti 2005	Table 6, p. 7, row 9 report
Yb8Si11	Si11Yb8	-48 kJ/mol-atom ± 3.1	298.15	experimental	-46.119 (oqmd-19800)	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 10 report
YbSi	SiYb	-51.1 kJ/mol-atom ± 5.1	298.15	experimental	-54.503 (oqmd-646927)	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 7 report
YbSi	SiYb	-51 kJ/mol-atom	298.15	model	-54.503 (oqmd-646927)	[1] Brutti 2005	Table 6, p. 7, row 6 report
YbSi1.74		-41.1 kJ/mol-atom	298.15	model		[1] Brutti 2005	Table 6, p. 7, row 14 report
YbSi1.74		-37.4 kJ/mol-atom ± 0.9	298.15	experimental		[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 15 report

Other properties

Phase transition (41)

Phase transition, Si–Yb system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Phase transition	1023 K	1023	eutectoid: YbSi1.74 = Yb3Si5 + Si alloy: Si 0.87, Yb 0.13	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 63 report
Phase transition	1033 K	1033	eutectoid: YbSi1.74 = Yb3Si5 + Si alloy: Si 0.66, Yb 0.34	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 61 report
Phase transition	1038 K	1038	eutectoid: YbSi1.74 = Yb3Si5 + Si alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 31 report
Phase transition	1038 K	1038	eutectoid: YbSi1.74 = Yb3Si5 + Si alloy: Si 0.64, Yb 0.36	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 60 report
Phase transition	1038 K	1038	eutectoid: YbSi1.74 = Yb3Si5 + Si alloy: Si 0.7, Yb 0.3	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 62 report
Phase transition	1043 K	1043	eutectoid: YbSi1.74 = Yb3Si5 + Si alloy: Si 0.7, Yb 0.3	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 32 report
Phase transition	1043 K	1043	eutectoid: YbSi1.74 = Yb3Si5 + Si alloy: Si 0.8, Yb 0.2	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 33 report
Phase transition	1053 K	1053	polymorphic: Yb(bcc) = Yb(fcc) alloy: Si 0.25, Yb 0.75	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 43 report
Phase transition	1053 K	1053	polymorphic: Yb(bcc) = Yb(fcc) alloy: Si 0.2, Yb 0.8	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 42 report
Phase transition	1053 K	1053	polymorphic: Yb(bcc) = Yb(fcc) alloy: Si 0.1, Yb 0.9	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 41 report
Phase transition	1053 K	1053	polymorphic: Yb(bcc) = Yb(fcc) alloy: Si 0.35, Yb 0.65	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 45 report
Phase transition	1053 K	1053	polymorphic: Yb(bcc) = Yb(fcc) alloy: Si 0.3, Yb 0.7	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 44 report
Phase transition	1085 K	1085	eutectic: Liquid = Yb(fcc) + Yb5Si3 alloy: Si 0.3, Yb 0.7	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 38 report
Phase transition	1086 K	1086	eutectic: Liquid = Yb(fcc) + Yb5Si3 alloy: Si 0.15, Yb 0.85	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 36 report
Phase transition	1087 K	1087	eutectic: Liquid = Yb(fcc) + Yb5Si3 alloy: Si 0.35, Yb 0.65	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 39 report
Phase transition	1088 K	1088	eutectic: Liquid = Yb(fcc) + Yb5Si3 alloy: Si 0.2, Yb 0.8	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 37 report
Phase transition	1088 K	1088	eutectic: Liquid = Yb(fcc) + Yb5Si3	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 35 report
Phase transition	1238 K	1238	peritectoid: Yb3Si5 = Yb8Si11 + YbSi1.74 alloy: Si 0.625, Yb 0.375	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 34 report
Phase transition	1243 K	1243	peritectoid: Yb8Si11 = YbSi + YbSi1.74 alloy: Si 0.55, Yb 0.45	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 28 report
Phase transition	1253 K	1253	peritectoid: Yb8Si11 = YbSi + YbSi1.74 alloy: Si 0.571, Yb 0.429	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 29 report
Phase transition	1253 K	1253	peritectoid: Yb8Si11 = YbSi + YbSi1.74 alloy: Si 0.6, Yb 0.4	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 30 report
Phase transition	1401 K	1401	eutectic: Liquid = YbSi1.74 + Si alloy: Si 0.87, Yb 0.13	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 59 report
Phase transition	1408 K	1408	eutectic: Liquid = YbSi1.74 + Si alloy: Si 0.66, Yb 0.34	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 57 report
Phase transition	1408 K	1408	eutectic: Liquid = YbSi1.74 + Si alloy: Si 0.64, Yb 0.36	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 56 report
Phase transition	1408 K	1408	eutectic: Liquid = YbSi1.74 + Si alloy: Si 0.7, Yb 0.3	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 58 report
Phase transition	1418 K	1418	eutectic: Liquid = YbSi1.74 + Si alloy: Si 0.7, Yb 0.3	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 26 report
Phase transition	1418 K	1418	eutectic: Liquid = YbSi1.74 + Si alloy: Si 0.8, Yb 0.2	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 27 report
Phase transition	1421 K	1421	eutectic: Liquid = YbSi1.74 + Si alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 25 report
Phase transition	1673 K	1673	peritectic: YbSi1.74 = Liquid + YbSi alloy: Si 0.66, Yb 0.34	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 55 report
Phase transition	1676 K	1676	peritectic: YbSi1.74 = Liquid + YbSi alloy: Si 0.625, Yb 0.375	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 53 report
Phase transition	1683 K	1683	peritectic: YbSi1.74 = Liquid + YbSi alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 54 report
Phase transition	1688 K	1688	peritectic: YbSi1.74 = Liquid + YbSi alloy: Si 0.61, Yb 0.39	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 52 report
Phase transition	1698 K	1698	peritectic: Liquid + YbSi = YbSi1.74 alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 15 report
Phase transition	1698 K	1698	peritectic: YbSi1.74 = Liquid + YbSi alloy: Si 0.55, Yb 0.45	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 21 report
Phase transition	1698 K	1698	peritectic: YbSi1.74 = Liquid + YbSi alloy: Si 0.625, Yb 0.375	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 24 report
Phase transition	1698 K	1698	peritectic: YbSi1.74 = Liquid + YbSi alloy: Si 0.6, Yb 0.4	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 23 report
Phase transition	1700 K	1700	peritectic: YbSi1.74 = Liquid + YbSi alloy: Si 0.571, Yb 0.429	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 22 report
Phase transition	1903 K	1903	peritectic: Yb5Si3 = Liquid + Yb5Si4 alloy: Si 0.444, Yb 0.556	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 19 report
Phase transition	1903 K	1903	peritectic: Yb5Si3 = Liquid + Yb5Si4 alloy: Si 0.4, Yb 0.6	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 18 report
Phase transition	1953 K	1953	peritectic: Yb5Si4 = Liquid + YbSi alloy: Si 0.444, Yb 0.556	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 20 report
Phase transition	1983 K	1983	congruent transformation: Liquid = YbSi alloy: Si 0.5, Yb 0.5	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 17 report

Phase equilibrium (21)

Phase equilibrium, Si–Yb system
Property	T (K)	Phases / composition	Class	Source	Location
Phase composition	1443	other: Liquidus + Yb5Si3 liquid: Yb 0.625	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 1 report
Phase composition	1443	other: Liquidus + Yb5Si3 liquid: Yb 0.625	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 2 report
Phase composition	1543	other: Liquidus + Si liquid: Si 0.87, Yb 0.13	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 51 report
Phase composition	1612	other: Liquidus + Yb5Si3 liquid: Si 0.1, Yb 0.9	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 3 report
Phase composition	1643	other: Liquidus + YbSi1.74 liquid: Si 0.7, Yb 0.3	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 50 report
Phase composition	1661	other: Liquidus + YbSi1.74 liquid: Si 0.7, Yb 0.3	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 16 report
Phase composition	1693	other: Liquidus + Yb5Si3 liquid: Si 0.15, Yb 0.85	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 4 report
Phase composition	1708	other: Liquidus + YbSi liquid: Si 0.66, Yb 0.34	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 49 report
Phase composition	1727	other: Liquidus + YbSi liquid: Si 0.625, Yb 0.375	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 14 report
Phase composition	1733	other: Liquidus + YbSi liquid: Si 0.64, Yb 0.36	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 48 report
Phase composition	1733	other: Liquidus + YbSi liquid: Si 0.61, Yb 0.39	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 46 report
Phase composition	1743	other: Liquidus + YbSi liquid: Si 0.625, Yb 0.375	experimental	[1] Brutti 2005 cites Grytsiv 2002 doi	Table 2, p. 3, row 47 report
Phase composition	1785	other: Liquidus + Yb5Si3 liquid: Si 0.2, Yb 0.8	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 5 report
Phase composition	1830	other: Liquidus + YbSi liquid: Si 0.6, Yb 0.4	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 13 report
Phase composition	1839	other: Liquidus + Yb5Si3 liquid: Si 0.25, Yb 0.75	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 6 report
Phase composition	1873	other: Liquidus + Yb5Si3 liquid: Si 0.3, Yb 0.7	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 7 report
Phase composition	1875	other: Liquidus + YbSi liquid: Si 0.571, Yb 0.429	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 12 report
Phase composition	1891	other: Liquidus + Yb5Si3 liquid: Si 0.35, Yb 0.65	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 8 report
Phase composition	1925	other: Liquidus + YbSi liquid: Si 0.45, Yb 0.55	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 11 report
Phase composition	1936	other: Liquidus + Yb5Si4 liquid: Si 0.4, Yb 0.6	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 9 report
Phase composition	1965	other: Liquidus + YbSi liquid: Si 0.444, Yb 0.556	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 2, p. 3, row 10 report

Formation (17)

Formation, Si–Yb system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Entropy of formation printed: ΔfS°298	3.3 J/mol-atom/K	298.15	Yb3Si11 alloy: Yb 0.214286	experimental	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 10 report
Entropy of formation printed: ΔfS°298	3.9 J/mol-atom/K	298.15	Yb3Si11 alloy: Yb 0.214286	model	[1] Brutti 2005	Table 6, p. 7, row 9 report
Entropy of formation printed: ΔfS°298	5.2 J/mol-atom/K	298.15	Yb3Si5 alloy: Yb 0.375	experimental	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 12 report
Entropy of formation printed: ΔfS°298	0.4 J/mol-atom/K	298.15	Yb3Si5 alloy: Yb 0.375	model	[1] Brutti 2005 cites Dhar 2002	Table 6, p. 7, row 13 report
Entropy of formation printed: ΔfS°298	4.2 J/mol-atom/K	298.15	Yb3Si5 alloy: Yb 0.375	model	[1] Brutti 2005	Table 6, p. 7, row 11 report
Entropy of formation printed: ΔfS°298	4.5 J/mol-atom/K	298.15	Yb5Si3 alloy: Yb 0.625	experimental	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 2 report
Entropy of formation printed: ΔfS°298	4.2 J/mol-atom/K	298.15	Yb5Si3 alloy: Yb 0.625	model	[1] Brutti 2005	Table 6, p. 7, row 1 report
Entropy of formation printed: ΔfS°298	6.2 J/mol-atom/K	298.15	Yb5Si4 alloy: Yb 0.555556	model	[1] Brutti 2005	Table 6, p. 7, row 3 report
Entropy of formation printed: ΔfS°298	1.3 J/mol-atom/K	298.15	Yb5Si4 alloy: Yb 0.555556	model	[1] Brutti 2005 cites Dhar 2002	Table 6, p. 7, row 5 report
Entropy of formation printed: ΔfS°298	2.8 J/mol-atom/K	298.15	Yb5Si4 alloy: Yb 0.555556	experimental	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 4 report
Entropy of formation printed: ΔfS°298	3.3 J/mol-atom/K	298.15	Yb8Si11 alloy: Si 0.578947, Yb 0.421053	experimental	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 10 report
Entropy of formation printed: ΔfS°298	3.9 J/mol-atom/K	298.15	Yb8Si11 alloy: Si 0.578947, Yb 0.421053	model	[1] Brutti 2005	Table 6, p. 7, row 9 report
Entropy of formation printed: ΔfS°298	0.8 J/mol-atom/K	298.15	YbSi alloy: Yb 0.5	model	[1] Brutti 2005 cites Dhar 2002	Table 6, p. 7, row 8 report
Entropy of formation printed: ΔfS°298	4.9 J/mol-atom/K	298.15	YbSi alloy: Yb 0.5	experimental	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 7 report
Entropy of formation printed: ΔfS°298	7.4 J/mol-atom/K	298.15	YbSi alloy: Yb 0.5	model	[1] Brutti 2005	Table 6, p. 7, row 6 report
Entropy of formation printed: ΔfS°298	7.6 J/mol-atom/K	298.15	YbSi1.74 alloy: Yb 0.364964	experimental	[1] Brutti 2005 cites Brutti 2003 doi	Table 6, p. 7, row 15 report
Entropy of formation printed: ΔfS°298	6.7 J/mol-atom/K	298.15	YbSi1.74 alloy: Yb 0.364964	model	[1] Brutti 2005	Table 6, p. 7, row 14 report

Activity / EMF / Gibbs energy (13)

Activity / EMF / Gibbs energy, Si–Yb system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Activity Yb printed: Yb activity	1.400e-5 1	1421	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 2 report
Activity Yb printed: Yb activity	5.200e-5 1	1424	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 7 report
Activity Yb printed: Yb activity	1.100e-5 1	1432	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 1 report
Activity Yb printed: Yb activity	1.200e-5 1	1434	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 8 report
Activity Yb printed: Yb activity	1.400e-5 1	1449	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 13 report
Activity Yb printed: Yb activity	1.200e-5 1	1450	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 3 report
Activity Yb printed: Yb activity	8.500e-5 1	1456	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 6 report
Activity Yb printed: Yb activity	2.000e-5 1	1465	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 9 report
Activity Yb printed: Yb activity	2.300e-5 1	1484	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 12 report
Activity Yb printed: Yb activity	1.300e-5 1	1485	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 4 report
Activity Yb printed: Yb activity	1.500e-5 1	1493	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 5 report
Activity Yb printed: Yb activity	3.200e-5 1	1500	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 10 report
Activity Yb printed: Yb activity	3.500e-5 1	1512	YbSi1.74 + liquid solution alloy: Si 0.65, Yb 0.35	experimental	[1] Brutti 2005	Table 3, p. 4, row 11 report

Crystal structure (15)

Crystal structure, Si–Yb system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Lattice a	6.515 Å ± 0.001	298.15	Yb3Si5 alloy: Yb 0.375	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 5 report
Lattice a	8.264 Å ± 0.001	298.15	Yb5Si3 alloy: Yb 0.625	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 1 report
Lattice a	7.262 Å ± 0.002	298.15	Yb5Si4 alloy: Yb 0.555556	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 2 report
Lattice a	4.16 Å	298.15	Yb8Si11 alloy: Yb 0.421053	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 4 report
Lattice a	4.18 Å ± 0.001	298.15	YbSi alloy: Yb 0.5	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 3 report
Lattice a	3.781 Å ± 0.001	298.15	YbSi1.74 alloy: Yb 0.364964	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 6 report
Lattice b	14.784 Å ± 0.004	298.15	Yb5Si4 alloy: Yb 0.555556	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 2 report
Lattice b	7.56 Å	298.15	Yb8Si11 alloy: Yb 0.421053	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 4 report
Lattice b	10.314 Å ± 0.002	298.15	YbSi alloy: Yb 0.5	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 3 report
Lattice c	4.094 Å ± 0.001	298.15	Yb3Si5 alloy: Yb 0.375	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 5 report
Lattice c	6.254 Å ± 0.001	298.15	Yb5Si3 alloy: Yb 0.625	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 1 report
Lattice c	7.7 Å ± 0.002	298.15	Yb5Si4 alloy: Yb 0.555556	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 2 report
Lattice c	23.51 Å	298.15	Yb8Si11 alloy: Yb 0.421053	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 4 report
Lattice c	3.762 Å ± 0.001	298.15	YbSi alloy: Yb 0.5	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 3 report
Lattice c	4.101 Å ± 0.001	298.15	YbSi1.74 alloy: Yb 0.364964	experimental	[1] Brutti 2005 cites Palenzona 2002	Table 1, p. 2, row 6 report

Sources

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

S. Brutti, G. Balducci, A. Ciccioli, G. Gigli, Thermodynamic assessment of the Yb–Si system, Calphad 29, 254-261 (2005). doi:10.1016/j.calphad.2005.06.004

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}
}