Ge–Yb system

120 accepted literature values from 2 paper(s) (experimental 46, model 66, DFT 8); 2 calculated phase diagram(s). 20 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	46
model	66
DFT	8

Accepted values by property group
Property group	Values
invariant reaction	52
phase transition	10
formation	56
heat capacity / entropy / enthalpy	2

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
GeYb-18Ach.tdb	K. Achgar, S. Kardellass, N. Selhaoui, J. Therm. Anal. Calorim., 131, 443-53(2018). doi:10.1007/s10973-017-6203-x	`dbdc29c38dccdf3b9be471902bc0610028bfcb160393dc1802ab94c267454681`	viewer · TDB · JSON
GeYb-18Zhu.tdb	D. Zhu, C. Li, C. Guo, Z. Du, Ferroelectrics, 522, 80-87(2018). doi:10.1080/00150193.2018.1392217	`b4ad8aa28cce9dad8f49118fc6ca0b4de56ffc299598203993994131e3d916d2`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
GeYb-18Ach.tdb	1844.5	GE4YB5 (x(Yb) 0.55556) + LIQUID (x(Yb) 0.62416) + GE3YB5_D88 (x(Yb) 0.625)
GeYb-18Ach.tdb	1844.5	GE4YB5 (x(Yb) 0.55556) + LIQUID (x(Yb) 0.62422) + GE3YB5_D88 (x(Yb) 0.625)
GeYb-18Ach.tdb	1844.5	GE4YB5 (x(Yb) 0.55556) + LIQUID (x(Yb) 0.6239) + GE3YB5_D88 (x(Yb) 0.625)
GeYb-18Ach.tdb	1777.83	LIQUID (x(Yb) 0.46618) + GE10YB11 (x(Yb) 0.52381) + GE4YB5 (x(Yb) 0.55556)
GeYb-18Ach.tdb	1777.83	LIQUID (x(Yb) 0.46632) + GE10YB11 (x(Yb) 0.52381) + GE4YB5 (x(Yb) 0.55556)
GeYb-18Ach.tdb	1470.25	GE3YB5_D88 (x(Yb) 0.625) + GEYB2_C37 (x(Yb) 0.66667) + LIQUID (x(Yb) 0.82708)
GeYb-18Ach.tdb	1470.25	GE3YB5_D88 (x(Yb) 0.625) + GEYB2_C37 (x(Yb) 0.66667) + LIQUID (x(Yb) 0.82716)
GeYb-18Ach.tdb	1470.25	GE3YB5_D88 (x(Yb) 0.625) + GEYB2_C37 (x(Yb) 0.66667) + LIQUID (x(Yb) 0.82706)
GeYb-18Ach.tdb	1351.33	LIQUID (x(Yb) 0.36509) + GE5YB3 (x(Yb) 0.375) + GE10YB11 (x(Yb) 0.52381)
GeYb-18Ach.tdb	1351.32	LIQUID (x(Yb) 0.36497) + GE5YB3 (x(Yb) 0.375) + GE10YB11 (x(Yb) 0.52381)
GeYb-18Ach.tdb	1351.32	LIQUID (x(Yb) 0.36493) + GE5YB3 (x(Yb) 0.375) + GE10YB11 (x(Yb) 0.52381)
GeYb-18Ach.tdb	1141.02	LIQUID (x(Yb) 0.2594) + GE8YB3 (x(Yb) 0.27273) + GE5YB3 (x(Yb) 0.375)
GeYb-18Ach.tdb	1141.02	LIQUID (x(Yb) 0.25941) + GE8YB3 (x(Yb) 0.27273) + GE5YB3 (x(Yb) 0.375)
GeYb-18Ach.tdb	1141.02	LIQUID (x(Yb) 0.25935) + GE8YB3 (x(Yb) 0.27273) + GE5YB3 (x(Yb) 0.375)
GeYb-18Ach.tdb	1086.96	GEYB2_C37 (x(Yb) 0.66667) + LIQUID (x(Yb) 0.99128) + BCC_A2 (x(Yb) 1)
GeYb-18Ach.tdb	1086.96	GEYB2_C37 (x(Yb) 0.66667) + LIQUID (x(Yb) 0.99127) + BCC_A2 (x(Yb) 1)
GeYb-18Ach.tdb	1033	GEYB2_C37 (x(Yb) 0.66667) + FCC_A1 (x(Yb) 1) + BCC_A2 (x(Yb) 1)
GeYb-18Ach.tdb	1008.6	DIAMOND_A4 (x(Yb) 0) + LIQUID (x(Yb) 0.16811) + GE8YB3 (x(Yb) 0.27273)
GeYb-18Ach.tdb	1008.6	DIAMOND_A4 (x(Yb) 0) + LIQUID (x(Yb) 0.16809) + GE8YB3 (x(Yb) 0.27273)
GeYb-18Ach.tdb	1008.6	DIAMOND_A4 (x(Yb) 0) + LIQUID (x(Yb) 0.16805) + GE8YB3 (x(Yb) 0.27273)
GeYb-18Zhu.tdb	1857.88	GE4YB5 (x(Yb) 0.55556) + GE3YB5_D88 (x(Yb) 0.625) + LIQUID (x(Yb) 0.62601)
GeYb-18Zhu.tdb	1857.88	GE4YB5 (x(Yb) 0.55556) + GE3YB5_D88 (x(Yb) 0.625) + LIQUID (x(Yb) 0.6262)
GeYb-18Zhu.tdb	1857.88	GE4YB5 (x(Yb) 0.55556) + GE3YB5_D88 (x(Yb) 0.625) + LIQUID (x(Yb) 0.62572)
GeYb-18Zhu.tdb	1773.07	LIQUID (x(Yb) 0.44905) + GE10YB11 (x(Yb) 0.52381) + GE4YB5 (x(Yb) 0.55556)
GeYb-18Zhu.tdb	1773.06	LIQUID (x(Yb) 0.44888) + GE10YB11 (x(Yb) 0.52381) + GE4YB5 (x(Yb) 0.55556)
GeYb-18Zhu.tdb	1477.86	GE3YB5_D88 (x(Yb) 0.625) + GEYB2_C37 (x(Yb) 0.66667) + LIQUID (x(Yb) 0.83412)
GeYb-18Zhu.tdb	1477.86	GE3YB5_D88 (x(Yb) 0.625) + GEYB2_C37 (x(Yb) 0.66667) + LIQUID (x(Yb) 0.83414)
GeYb-18Zhu.tdb	1477.86	GE3YB5_D88 (x(Yb) 0.625) + GEYB2_C37 (x(Yb) 0.66667) + LIQUID (x(Yb) 0.83412)
GeYb-18Zhu.tdb	1347.73	LIQUID (x(Yb) 0.3283) + GE5YB3 (x(Yb) 0.375) + GE10YB11 (x(Yb) 0.52381)
GeYb-18Zhu.tdb	1347.73	LIQUID (x(Yb) 0.32824) + GE5YB3 (x(Yb) 0.375) + GE10YB11 (x(Yb) 0.52381)
GeYb-18Zhu.tdb	1347.73	LIQUID (x(Yb) 0.32844) + GE5YB3 (x(Yb) 0.375) + GE10YB11 (x(Yb) 0.52381)
GeYb-18Zhu.tdb	1137.92	LIQUID (x(Yb) 0.24081) + GE8YB3 (x(Yb) 0.27273) + GE5YB3 (x(Yb) 0.375)
GeYb-18Zhu.tdb	1137.92	LIQUID (x(Yb) 0.24083) + GE8YB3 (x(Yb) 0.27273) + GE5YB3 (x(Yb) 0.375)
GeYb-18Zhu.tdb	1137.92	LIQUID (x(Yb) 0.24076) + GE8YB3 (x(Yb) 0.27273) + GE5YB3 (x(Yb) 0.375)
GeYb-18Zhu.tdb	1083.2	GEYB2_C37 (x(Yb) 0.66667) + LIQUID (x(Yb) 0.98862) + BCC_A2 (x(Yb) 1)
GeYb-18Zhu.tdb	1083.2	GEYB2_C37 (x(Yb) 0.66667) + LIQUID (x(Yb) 0.98862) + BCC_A2 (x(Yb) 1)
GeYb-18Zhu.tdb	1033	GEYB2_C37 (x(Yb) 0.66667) + FCC_A1 (x(Yb) 1) + BCC_A2 (x(Yb) 1)
GeYb-18Zhu.tdb	1003.43	DIAMOND_A4 (x(Yb) 0) + LIQUID (x(Yb) 0.15902) + GE8YB3 (x(Yb) 0.27273)
GeYb-18Zhu.tdb	1003.43	DIAMOND_A4 (x(Yb) 0) + LIQUID (x(Yb) 0.15894) + GE8YB3 (x(Yb) 0.27273)
GeYb-18Zhu.tdb	1003.43	DIAMOND_A4 (x(Yb) 0) + LIQUID (x(Yb) 0.15894) + GE8YB3 (x(Yb) 0.27273)

Convex hulls: OQMD DFT hull · CALPHAD hull GeYb-18Zhu

Invariant reactions (literature)

Invariant reactions reported in the literature for the Ge–Yb system (52)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location	Quote
1913	congruent melting: Liq -> Yb5Ge4	L: Ge 0.5556; Yb5Ge4: Ge 0.5556	experimental	[1] Dai-man 2018 cites Pani 2003	Table 1, p. 3, row 13 report
1913	congruent melting: Liq -> Yb5Ge4	L: Ge 0.5556; Yb5Ge4: Ge 0.5556	model	[1] Dai-man 2018	Table 1, p. 3, row 15 report
1913	congruent melting: Liq -> Yb5Ge4	L: Ge 0.5556; Yb5Ge4: Ge 0.5556	experimental	[1] Dai-man 2018 cites Okamoto 2005	Table 1, p. 3, row 14 report
1858.15	peritectic: Yb5Ge3 -> L + Yb5Ge4		experimental	[2] Achgar 2018 cites Pani 2003	Table 5, p. 8, row 13 report
1858	peritectic: Liq+Yb5Ge4 -> Yb5Ge3	L: Ge 0.374; Yb5Ge4: Ge 0.4444; Yb5Ge3: Ge 0.375	experimental	[1] Dai-man 2018 cites Pani 2003	Table 1, p. 3, row 16 report
1858	peritectic: Liq+Yb5Ge4 -> Yb5Ge3	L: Ge 0.374; Yb5Ge4: Ge 0.4444; Yb5Ge3: Ge 0.375	experimental	[1] Dai-man 2018 cites Okamoto 2005	Table 1, p. 3, row 17 report
1858	peritectic		experimental	[1] Dai-man 2018 cites Pani 2003	p. 3 report	The compounds Yb3Ge8, Yb3Ge5, Yb11Ge10, Yb5Ge3 and Yb2Ge are formed by the peritectic reactions at 1138, 1348, 1773, 1858 and 1478 K, respectively.
1858	peritectic: Liq+Yb5Ge4 -> Yb5Ge3	L: Ge 0.374; Yb5Ge4: Ge 0.4444; Yb5Ge3: Ge 0.375	model	[1] Dai-man 2018	Table 1, p. 3, row 18 report
1854.15	peritectic: Yb5Ge3 -> L + Yb5Ge4		model	[2] Achgar 2018	Table 5, p. 8, row 15 report
1845.15	peritectic: Yb5Ge3 -> L + Yb5Ge4		model	[2] Achgar 2018	Table 5, p. 8, row 14 report
1778.15	peritectic: Yb11Ge10 -> L + Yb5Ge4		model	[2] Achgar 2018	Table 5, p. 8, row 21 report
1775.15	peritectic: Yb11Ge10 -> L + Yb5Ge4		model	[2] Achgar 2018	Table 5, p. 8, row 20 report
1773.15	peritectic: Yb11Ge10 -> L + Yb5Ge4		experimental	[2] Achgar 2018 cites Pani 2003	Table 5, p. 8, row 19 report
1773	peritectic: Liq+Yb5Ge4 -> Yb11Ge10	L: Ge 0.53; Yb5Ge4: Ge 0.4444; Yb11Ge10: Ge 0.4762	experimental	[1] Dai-man 2018 cites Okamoto 2005	Table 1, p. 3, row 11 report
1773	peritectic: Liq+Yb5Ge4 -> Yb11Ge10	L: Ge 0.5511; Yb5Ge4: Ge 0.4444; Yb11Ge10: Ge 0.4762	model	[1] Dai-man 2018	Table 1, p. 3, row 12 report
1773	peritectic: Liq+Yb5Ge4 -> Yb11Ge10	L: Ge 0.53; Yb5Ge4: Ge 0.4444; Yb11Ge10: Ge 0.4762	experimental	[1] Dai-man 2018 cites Pani 2003	Table 1, p. 3, row 10 report
1773	peritectic		experimental	[1] Dai-man 2018 cites Pani 2003	p. 3 report	The compounds Yb3Ge8, Yb3Ge5, Yb11Ge10, Yb5Ge3 and Yb2Ge are formed by the peritectic reactions at 1138, 1348, 1773, 1858 and 1478 K, respectively.
1480.15	peritectic: Yb2Ge -> L + Yb5Ge3		model	[2] Achgar 2018	Table 5, p. 8, row 11 report
1478.15	peritectic: Yb2Ge -> L + Yb5Ge3		experimental	[2] Achgar 2018 cites Pani 2003	Table 5, p. 8, row 10 report
1478	peritectic: Liq+Yb5Ge3 -> Yb2Ge	L: Ge 0.2; Yb5Ge3: Ge 0.375; Yb2Ge: Ge 0.3333	experimental	[1] Dai-man 2018 cites Pani 2003	Table 1, p. 3, row 19 report
1478	peritectic: Liq+Yb5Ge3 -> Yb2Ge	L: Ge 0.1659; Yb5Ge3: Ge 0.375; Yb2Ge: Ge 0.3333	model	[1] Dai-man 2018	Table 1, p. 3, row 21 report
1478	peritectic		experimental	[1] Dai-man 2018 cites Pani 2003	p. 3 report	The compounds Yb3Ge8, Yb3Ge5, Yb11Ge10, Yb5Ge3 and Yb2Ge are formed by the peritectic reactions at 1138, 1348, 1773, 1858 and 1478 K, respectively.
1478	peritectic: Liq+Yb5Ge3 -> Yb2Ge	L: Ge 0.2; Yb5Ge3: Ge 0.375; Yb2Ge: Ge 0.3333	experimental	[1] Dai-man 2018 cites Okamoto 2005	Table 1, p. 3, row 20 report
1476.15	peritectic: Yb2Ge -> L + Yb5Ge3		model	[2] Achgar 2018	Table 5, p. 8, row 12 report
1351.15	peritectic: Yb3Ge5 -> L + Yb11Ge10		model	[2] Achgar 2018	Table 5, p. 8, row 23 report
1348.15	peritectic: Yb3Ge5 -> L + Yb11Ge10		experimental	[2] Achgar 2018 cites Pani 2003	Table 5, p. 8, row 22 report
1348	peritectic: Liq+Yb11Ge10 -> Yb3Ge5	L: Ge 0.6717; Yb11Ge10: Ge 0.4762; Yb3Ge5: Ge 0.625	model	[1] Dai-man 2018	Table 1, p. 3, row 9 report
1348	peritectic: Liq+Yb11Ge10 -> Yb3Ge5	L: Ge 0.63; Yb11Ge10: Ge 0.4762; Yb3Ge5: Ge 0.625	experimental	[1] Dai-man 2018 cites Pani 2003	Table 1, p. 3, row 7 report
1348	peritectic: Liq+Yb11Ge10 -> Yb3Ge5	L: Ge 0.63; Yb11Ge10: Ge 0.4762; Yb3Ge5: Ge 0.625	experimental	[1] Dai-man 2018 cites Okamoto 2005	Table 1, p. 3, row 8 report
1348	peritectic		experimental	[1] Dai-man 2018 cites Pani 2003	p. 3 report	The compounds Yb3Ge8, Yb3Ge5, Yb11Ge10, Yb5Ge3 and Yb2Ge are formed by the peritectic reactions at 1138, 1348, 1773, 1858 and 1478 K, respectively.
1342.15	peritectic: Yb3Ge5 -> L + Yb11Ge10		model	[2] Achgar 2018	Table 5, p. 8, row 24 report
1139.15	peritectic: Yb3Ge8 -> L + Yb3Ge5		model	[2] Achgar 2018	Table 5, p. 8, row 26 report
1138.15	peritectic: Yb3Ge8 -> L + Yb3Ge5		experimental	[2] Achgar 2018 cites Pani 2003	Table 5, p. 8, row 25 report
1138	peritectic: Liq+Yb3Ge5 -> Yb3Ge8	L: Ge 0.73; Yb3Ge5: Ge 0.625; Yb3Ge8: Ge 0.7273	experimental	[1] Dai-man 2018 cites Okamoto 2005	Table 1, p. 3, row 5 report
1138	peritectic: Liq+Yb3Ge5 -> Yb3Ge8	L: Ge 0.73; Yb3Ge5: Ge 0.625; Yb3Ge8: Ge 0.7273	experimental	[1] Dai-man 2018 cites Pani 2003	Table 1, p. 3, row 4 report
1138	peritectic		experimental	[1] Dai-man 2018 cites Pani 2003	p. 3 report	The compounds Yb3Ge8, Yb3Ge5, Yb11Ge10, Yb5Ge3 and Yb2Ge are formed by the peritectic reactions at 1138, 1348, 1773, 1858 and 1478 K, respectively.
1138	peritectic: Liq+Yb3Ge5 -> Yb3Ge8	L: Ge 0.7592; Yb3Ge5: Ge 0.625; Yb3Ge8: Ge 0.7273	model	[1] Dai-man 2018	Table 1, p. 3, row 6 report
1131.15	peritectic: Yb3Ge8 -> L + Yb3Ge5		model	[2] Achgar 2018	Table 5, p. 8, row 27 report
1087.15	eutectic: L -> γLa + Yb2Ge		model	[2] Achgar 2018	Table 5, p. 8, row 8 report
1086.15	eutectic: L -> γLa + Yb2Ge		model	[2] Achgar 2018	Table 5, p. 8, row 9 report
1083.15	eutectic: L -> γLa + Yb2Ge		experimental	[2] Achgar 2018 cites Pani 2003	Table 5, p. 8, row 7 report
1083	eutectic: Liq -> Yb2Ge + Fcc_A1	L: Ge 0.0024; Yb2Ge: Ge 0.3333; Fcc_A1: Ge 0	experimental	[1] Dai-man 2018 cites Pani 2003	Table 1, p. 3, row 22 report
1083	eutectic: Liq $ Yb2Ge CBcc_A2(Yb)		experimental	[1] Dai-man 2018	p. 3 report	Two eutectic transformations are defined, Liq$Diamond_A4(Ge)C Yb3Ge8 at 1003 K and » 2.1 at.% Yb, and Liq $ Yb2Ge CBcc_A2(Yb) at 1083 K and more than 99.0 at.% Yb.
1083	eutectic: Liq -> Yb2Ge + Fcc_A1	L: Ge 0.0024; Yb2Ge: Ge 0.3333; Fcc_A1: Ge 0	experimental	[1] Dai-man 2018 cites Okamoto 2005	Table 1, p. 3, row 23 report
1083	eutectic: Liq -> Yb2Ge + Fcc_A1	L: Ge 0.0114; Yb2Ge: Ge 0.3333; Fcc_A1: Ge 0	model	[1] Dai-man 2018	Table 1, p. 3, row 24 report
1014.15	eutectic: L -> Yb3Ge8 + Ge		model	[2] Achgar 2018	Table 5, p. 8, row 30 report
1007.15	eutectic: L -> Yb3Ge8 + Ge		model	[2] Achgar 2018	Table 5, p. 8, row 29 report
1003.15	eutectic: L -> Yb3Ge8 + Ge		experimental	[2] Achgar 2018 cites Pani 2003	Table 5, p. 8, row 28 report
1003	eutectic: Liq -> (Ge)+Yb3Ge8	L: Ge 0.8411; (Ge): Ge 1; Yb3Ge8: Ge 0.7273	model	[1] Dai-man 2018	Table 1, p. 3, row 3 report
1003	eutectic: Liq$Diamond_A4(Ge)C Yb3Ge8		experimental	[1] Dai-man 2018	p. 3 report	Two eutectic transformations are defined, Liq$Diamond_A4(Ge)C Yb3Ge8 at 1003 K and » 2.1 at.% Yb, and Liq $ Yb2Ge CBcc_A2(Yb) at 1083 K and more than 99.0 at.% Yb.
1003	eutectic: Liq -> (Ge)+Yb3Ge8	L: Ge 0.81; (Ge): Ge 1; Yb3Ge8: Ge 0.7273	experimental	[1] Dai-man 2018 cites Okamoto 2005	Table 1, p. 3, row 2 report
1003	eutectic: Liq -> (Ge)+Yb3Ge8	L: Ge 0.81; (Ge): Ge 1; Yb3Ge8: Ge 0.7273	experimental	[1] Dai-man 2018 cites Pani 2003	Table 1, p. 3, row 1 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, Ge–Yb system (42)
Phase	Compound	Value	T (K)	Class	OQMD DFT (kJ/mol-atom)	Source	Location
Yb11Ge10		-77.85 kJ/mol-atom	298.15	model		[1] Dai-man 2018	Table 2, p. 4, row 13 report
Yb11Ge10		-70.319 kJ/mol-atom		model		[2] Achgar 2018	Table 2, p. 5, row 12 report
Yb11Ge10		-69.9 kJ/mol-atom ± 8.2	298.15	experimental		[2] Achgar 2018 cites Balducci 2007 doi	Table 2, p. 5, row 11 report
Yb11Ge10		-69.9 kJ/mol-atom ± 8.2	298.15	experimental		[1] Dai-man 2018 cites Balducci 2007	Table 2, p. 4, row 11 report
Yb11Ge10		-69.8555 kJ/mol-atom		model		[2] Achgar 2018	Table 2, p. 5, row 13 report
Yb11Ge10		-63.4 kJ/mol-atom	0	DFT		[1] Dai-man 2018 cites Saal 2013	Table 2, p. 4, row 12 report
Yb2Ge	GeYb2	-66.7 kJ/mol-atom	298.15	model	-65.114 (oqmd-16528)	[1] Dai-man 2018	Table 2, p. 4, row 3 report
Yb2Ge	GeYb2	-66.303 kJ/mol-atom		model	-65.114 (oqmd-16528)	[2] Achgar 2018	Table 2, p. 5, row 3 report
Yb2Ge	GeYb2	-66.2 kJ/mol-atom ± 8.3	298.15	experimental	-65.114 (oqmd-16528)	[1] Dai-man 2018 cites Balducci 2007	Table 2, p. 4, row 1 report
Yb2Ge	GeYb2	-66.2 kJ/mol-atom ± 8.3	298.15	experimental	-65.114 (oqmd-16528)	[2] Achgar 2018 cites Balducci 2007 doi	Table 2, p. 5, row 1 report
Yb2Ge		-65.1 kJ/mol-atom	0	DFT		[1] Dai-man 2018 cites Saal 2013	Table 2, p. 4, row 2 report
Yb2Ge	GeYb2	-63.856 kJ/mol-atom		model	-65.114 (oqmd-16528)	[2] Achgar 2018	Table 2, p. 5, row 2 report
Yb3Ge5	Ge5Yb3	-63 kJ/mol-atom		model	-58.344 (oqmd-1823083)	[2] Achgar 2018 cites De 1988	Table 2, p. 5, row 15 report
Yb3Ge5	Ge5Yb3	-63 kJ/mol-atom	298.15	model	-58.344 (oqmd-1823083)	[1] Dai-man 2018 cites Grytsiv 2002	Table 2, p. 4, row 16 report
Yb3Ge5	Ge5Yb3	-60.952 kJ/mol-atom		model	-58.344 (oqmd-1823083)	[2] Achgar 2018	Table 2, p. 5, row 17 report
Yb3Ge5	Ge5Yb3	-59.3 kJ/mol-atom	298.15	model	-58.344 (oqmd-1823083)	[1] Dai-man 2018	Table 2, p. 4, row 18 report
Yb3Ge5	Ge5Yb3	-56.426 kJ/mol-atom		model	-58.344 (oqmd-1823083)	[2] Achgar 2018	Table 2, p. 5, row 18 report
Yb3Ge5		-56.1 kJ/mol-atom	0	DFT		[1] Dai-man 2018 cites Saal 2013	Table 2, p. 4, row 17 report
Yb3Ge5		-55.9 kJ/mol-atom ± 6.2		DFT		[2] Achgar 2018 cites Balducci 2007 doi	Table 2, p. 5, row 16 report
Yb3Ge5		-55.9 kJ/mol-atom ± 6.2	298.15	DFT		[1] Dai-man 2018 cites Balducci 2007	Table 2, p. 4, row 15 report
Yb3Ge5	Ge5Yb3	-49.8 kJ/mol-atom ± 13.2	298.15	experimental	-58.344 (oqmd-1823083)	[2] Achgar 2018 cites Balducci 2007 doi	Table 2, p. 5, row 14 report
Yb3Ge5	Ge5Yb3	-49.8 kJ/mol-atom ± 13.2	298.15	experimental	-58.344 (oqmd-1823083)	[1] Dai-man 2018 cites Balducci 2007	Table 2, p. 4, row 14 report
Yb3Ge8	Ge8Yb3	-48.5 kJ/mol-atom	298.15	model	-41.374 (oqmd-16641)	[1] Dai-man 2018 cites Pani 2003	Table 2, p. 4, row 19 report
Yb3Ge8	Ge8Yb3	-48.5 kJ/mol-atom		model	-41.374 (oqmd-16641)	[2] Achgar 2018 cites De 1988	Table 2, p. 5, row 19 report
Yb3Ge8	Ge8Yb3	-47.941 kJ/mol-atom		model	-41.374 (oqmd-16641)	[2] Achgar 2018	Table 2, p. 5, row 20 report
Yb3Ge8	Ge8Yb3	-45.05 kJ/mol-atom	298.15	model	-41.374 (oqmd-16641)	[1] Dai-man 2018	Table 2, p. 4, row 21 report
Yb3Ge8	Ge8Yb3	-44.343 kJ/mol-atom		model	-41.374 (oqmd-16641)	[2] Achgar 2018	Table 2, p. 5, row 21 report
Yb3Ge8		-40.8 kJ/mol-atom	0	DFT		[1] Dai-man 2018 cites Saal 2013	Table 2, p. 4, row 20 report
Yb5Ge3	Ge3Yb5	-72.5 kJ/mol-atom	298.15	model	-65.764 (oqmd-1437177)	[1] Dai-man 2018	Table 2, p. 4, row 6 report
Yb5Ge3	Ge3Yb5	-69.7 kJ/mol-atom ± 8.2	298.15	experimental	-65.764 (oqmd-1437177)	[2] Achgar 2018 cites Balducci 2007 doi	Table 2, p. 5, row 4 report
Yb5Ge3	Ge3Yb5	-69.2 kJ/mol-atom ± 8.2	298.15	experimental	-65.764 (oqmd-1437177)	[1] Dai-man 2018 cites Balducci 2007	Table 2, p. 4, row 4 report
Yb5Ge3	Ge3Yb5	-69.1 kJ/mol-atom		model	-65.764 (oqmd-1437177)	[2] Achgar 2018	Table 2, p. 5, row 5 report
Yb5Ge3	Ge3Yb5	-68.649 kJ/mol-atom		model	-65.764 (oqmd-1437177)	[2] Achgar 2018	Table 2, p. 5, row 6 report
Yb5Ge3		-65 kJ/mol-atom	0	DFT		[1] Dai-man 2018 cites Saal 2013	Table 2, p. 4, row 5 report
Yb5Ge4	Ge4Yb5	-81.82 kJ/mol-atom	298.15	model	-65.153 (oqmd-19745)	[1] Dai-man 2018	Table 2, p. 4, row 10 report
Yb5Ge4	Ge4Yb5	-73.8 kJ/mol-atom ± 8.2	298.15	experimental	-65.153 (oqmd-19745)	[1] Dai-man 2018 cites Balducci 2007	Table 2, p. 4, row 7 report
Yb5Ge4	Ge4Yb5	-73.8 kJ/mol-atom ± 8.2	298.15	experimental	-65.153 (oqmd-19745)	[2] Achgar 2018 cites Balducci 2007 doi	Table 2, p. 5, row 7 report
Yb5Ge4	Ge4Yb5	-72.846 kJ/mol-atom		model	-65.153 (oqmd-19745)	[2] Achgar 2018	Table 2, p. 5, row 10 report
Yb5Ge4	Ge4Yb5	-71.836 kJ/mol-atom		model	-65.153 (oqmd-19745)	[2] Achgar 2018	Table 2, p. 5, row 9 report
Yb5Ge4		-64.9 kJ/mol-atom	0	DFT		[1] Dai-man 2018 cites Saal 2013	Table 2, p. 4, row 9 report
Yb5Ge4	Ge4Yb5	-58.6 kJ/mol-atom		model	-65.153 (oqmd-19745)	[2] Achgar 2018 cites De 1988	Table 2, p. 5, row 8 report
Yb5Ge4	Ge4Yb5	-58.6 kJ/mol-atom	298.15	model	-65.153 (oqmd-19745)	[1] Dai-man 2018 cites Ahn 2005	Table 2, p. 4, row 8 report

Other properties

Phase transition (10)

Phase transition, Ge–Yb system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	1093.15 K	1093.15	congruent melting: L -> γYb	model	[2] Achgar 2018	Table 5, p. 8, row 3 report
Phase transition	1093.15 K	1093.15	congruent melting: L -> γYb	model	[2] Achgar 2018	Table 5, p. 8, row 2 report
Phase transition	1093.15 K	1093.15	congruent melting: L -> γYb	experimental	[2] Achgar 2018 cites Pani 2003	Table 5, p. 8, row 1 report
Phase transition	1211.15 K	1211.15	congruent melting: L -> Ge	model	[2] Achgar 2018	Table 5, p. 8, row 32 report
Phase transition	1211.15 K	1211.15	congruent melting: L -> Ge	experimental	[2] Achgar 2018 cites Pani 2003	Table 5, p. 8, row 31 report
Phase transition	1211.15 K	1211.15	congruent melting: L -> Ge	model	[2] Achgar 2018	Table 5, p. 8, row 33 report
Phase transition	1913 K	1913	congruent melting	experimental	[1] Dai-man 2018 cites Pani 2003	p. 3 report	In the work of Ref. [17], the Yb5Ge4 compound melts congruently at 1913 K.
Phase transition	1913.15 K	1913.15	congruent melting: L -> Yb5Ge4	experimental	[2] Achgar 2018 cites Pani 2003	Table 5, p. 8, row 16 report
Phase transition	1915.15 K	1915.15	congruent melting: L -> Yb5Ge4	model	[2] Achgar 2018	Table 5, p. 8, row 18 report
Phase transition	1916.15 K	1916.15	congruent melting: L -> Yb5Ge4	model	[2] Achgar 2018	Table 5, p. 8, row 17 report

Formation (14)

Formation, Ge–Yb system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Entropy of formation	-1.99 J/mol-atom/K		Yb11Ge10 alloy: Ge 0.476, Yb 0.524	model	[2] Achgar 2018	Table 2, p. 5, row 12 report
Entropy of formation	-3 J/mol-atom/K		Yb11Ge10 alloy: Ge 0.476, Yb 0.524	model	[2] Achgar 2018	Table 2, p. 5, row 13 report
Entropy of formation	-8 J/mol-atom/K		Yb2Ge alloy: Ge 0.333, Yb 0.667	model	[2] Achgar 2018	Table 2, p. 5, row 3 report
Entropy of formation	-5.4 J/mol-atom/K		Yb2Ge alloy: Ge 0.333, Yb 0.667	model	[2] Achgar 2018	Table 2, p. 5, row 2 report
Entropy of formation	-1.3 J/mol-atom/K		Yb3Ge5 alloy: Ge 0.625, Yb 0.375	model	[2] Achgar 2018	Table 2, p. 5, row 17 report
Entropy of formation	-0.13 J/mol-atom/K		Yb3Ge5 alloy: Ge 0.625, Yb 0.375	model	[2] Achgar 2018	Table 2, p. 5, row 18 report
Entropy of formation	-0.005 J/mol-atom/K		Yb3Ge8 alloy: Ge 0.727, Yb 0.273	model	[2] Achgar 2018	Table 2, p. 5, row 21 report
Entropy of formation	-0.84 J/mol-atom/K		Yb3Ge8 alloy: Ge 0.727, Yb 0.273	model	[2] Achgar 2018	Table 2, p. 5, row 20 report
Entropy of formation	-5.8 J/mol-atom/K		Yb5Ge3 alloy: Ge 0.375, Yb 0.625	model	[2] Achgar 2018	Table 2, p. 5, row 6 report
Entropy of formation	-4.8 J/mol-atom/K		Yb5Ge3 alloy: Ge 0.375, Yb 0.625	model	[2] Achgar 2018	Table 2, p. 5, row 5 report
Entropy of formation	-3 J/mol-atom/K		Yb5Ge4 alloy: Ge 0.444, Yb 0.556	model	[2] Achgar 2018	Table 2, p. 5, row 9 report
Entropy of formation	-4.7 J/mol-atom/K		Yb5Ge4 alloy: Ge 0.444, Yb 0.556	model	[2] Achgar 2018	Table 2, p. 5, row 10 report
Entropy of formation	-1 J/mol-atom/K ± 0.8	298.15	Yb11Ge10 alloy: Ge 0.476, Yb 0.524	experimental	[2] Achgar 2018 cites Balducci 2007 doi	Table 2, p. 5, row 11 report
Entropy of formation	-3.26 J/mol-atom/K ± 0.2	298.15	Yb5Ge4 alloy: Ge 0.444, Yb 0.556	experimental	[2] Achgar 2018 cites Balducci 2007 doi	Table 2, p. 5, row 7 report

Heat capacity / entropy / enthalpy (2)

Heat capacity / entropy / enthalpy, Ge–Yb system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Entropy printed: DfS298(Yb11Ge10(s))	-1 unspecified ± 0.8	298.15		model	[2] Achgar 2018 cites Balducci 2007 doi	p. 3 report	The experimental data measured by Ahn et al. [21] concerning the heat capacity of Yb5Ge4 compound were used by Balducci et al. [7] to calculate the entropy of formation of Yb5Ge4 at 298 K, DfS298(Yb5Ge4(s)) = -3.26 ± 0.20 J K-1 mol-1 at.-1; then, the entropy of formation of Yb11Ge10 was derived: DfS298(Yb11Ge10(s)) = -1.0 ± 0.8 J K-1 mol-1 at.-1.
Entropy printed: DfS298(Yb5Ge4(s))	-3.26 unspecified ± 0.2	298.15		model	[2] Achgar 2018 cites Balducci 2007 doi	p. 3 report	The experimental data measured by Ahn et al. [21] concerning the heat capacity of Yb5Ge4 compound were used by Balducci et al. [7] to calculate the entropy of formation of Yb5Ge4 at 298 K, DfS298(Yb5Ge4(s)) = -3.26 ± 0.20 J K-1 mol-1 at.-1; then, the entropy of formation of Yb11Ge10 was derived: DfS298(Yb11Ge10(s)) = -1.0 ± 0.8 J K-1 mol-1 at.-1.

Sources

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

Zhu Dai-man, Li Chang-rong, Guo Cui-ping, Du Zhen-min, Thermodynamic assessment of the Ge-Yb binary system, Ferroelectrics 522, 80-87 (2018). doi:10.1080/00150193.2018.1392217
Khadija Achgar, Saïd Kardellass, Najim Selhaoui, Thermodynamic assessment of the Ytterbium–Germanium binary system, J Therm Anal Calorim 131, 443-453 (2018). doi:10.1007/s10973-017-6203-x

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}
}