Al–La system

63 accepted literature values from 3 paper(s) (experimental 25, model 38); 4 calculated phase diagram(s). 14 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 (15) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	25
model	38

Accepted values by property group
Property group	Values
invariant reaction	53
phase transition	8
formation	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
AlLa-00Yin.tdb	F. Yin, X. Su, Z. Li, M. Huang, Y. Shi, J. Alloys Compd., 302, 169-72(2000) doi:10.1016/S0925-8388(00)00679-4	`d5ccc26b4706bcb504419826a6388cdaf9f9ae1bc00e58d4495a97492ad2e0c5`	viewer · TDB · JSON
AlLa-01Cac.tdb	G. Cacciamani, R. Ferro, Calphad, 25, 583-97(2001). doi:10.1016/S0364-5916(02)00009-3	`0a52fd62c246e10d397186e0714e8c653a9c820d6c5c12292899d2ed89c480a3`	viewer · TDB · JSON
AlLa-06Zho.tdb	S.H. Zhou, R.E. Napolitano, Acta Mater., 54, 831-40(2006). doi:10.1016/j.actamat.2005.10.013	`7e9d80b541dbeca9df28a5c4b268a9398772fdd909c018c9461c3528201edfcd`	viewer · TDB · JSON
AlLa-18Lia.tdb	J. Liao, H. Wang, T.-Y. Chen, Materials, 11, 2396(2018). doi:10.3390/ma11122396	`657c214ec3fe44326955d6c18e7f88946a84aaeadb870c80923a1f5a31707a20`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
AlLa-00Yin.tdb	1511.51	LIQUID (x(La) 0.24101) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33333)
AlLa-00Yin.tdb	1511.51	LIQUID (x(La) 0.24106) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33333)
AlLa-00Yin.tdb	1511.51	LIQUID (x(La) 0.24111) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33333)
AlLa-00Yin.tdb	1499.87	AL11LA3 (x(La) 0.21429) + LIQUID (x(La) 0.23582) + AL7LA3_C32 (x(La) 0.3)
AlLa-00Yin.tdb	1499.87	AL11LA3 (x(La) 0.21429) + LIQUID (x(La) 0.23578) + AL7LA3_C32 (x(La) 0.3)
AlLa-00Yin.tdb	1443.21	AL11LA3 (x(La) 0.21429) + AL3LA_D019 (x(La) 0.25) + AL7LA3_C32 (x(La) 0.3)
AlLa-00Yin.tdb	1363.18	AL3LA_D019 (x(La) 0.25) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33333)
AlLa-00Yin.tdb	1144.11	AL2LA_C15 (x(La) 0.33333) + ALLA (x(La) 0.5) + LIQUID (x(La) 0.54225)
AlLa-00Yin.tdb	1144.11	AL2LA_C15 (x(La) 0.33333) + ALLA (x(La) 0.5) + LIQUID (x(La) 0.54223)
AlLa-00Yin.tdb	1134.01	LIQUID (x(La) 0.95809) + FCC_A1 (x(La) 0.99999) + BCC_A2 (x(La) 1)
AlLa-00Yin.tdb	905.04	FCC_A1 (x(La) 0) + LIQUID (x(La) 0.02204) + AL11LA3 (x(La) 0.21429)
AlLa-00Yin.tdb	905.04	FCC_A1 (x(La) 0) + LIQUID (x(La) 0.02193) + AL11LA3 (x(La) 0.21429)
AlLa-00Yin.tdb	799.56	ALLA (x(La) 0.5) + LIQUID (x(La) 0.75288) + FCC_A1 (x(La) 1)
AlLa-00Yin.tdb	799.56	ALLA (x(La) 0.5) + LIQUID (x(La) 0.75289) + FCC_A1 (x(La) 1)
AlLa-00Yin.tdb	550	ALLA (x(La) 0.5) + DHCP (x(La) 1) + FCC_A1 (x(La) 1)
AlLa-01Cac.tdb	1540.12	LIQUID (x(La) 0.20812) + AL53LA22_C32 (x(La) 0.29333) + AL2LA_C15 (x(La) 0.32834)
AlLa-01Cac.tdb	1540.12	LIQUID (x(La) 0.20812) + AL53LA22_C32 (x(La) 0.29333) + AL2LA_C15 (x(La) 0.32834)
AlLa-01Cac.tdb	1508.59	LIQUID (x(La) 0.18988) + AL11LA3_D13 (x(La) 0.21429) + AL53LA22_C32 (x(La) 0.29333)
AlLa-01Cac.tdb	1508.59	LIQUID (x(La) 0.18972) + AL11LA3_D13 (x(La) 0.21429) + AL53LA22_C32 (x(La) 0.29333)
AlLa-01Cac.tdb	1508.59	LIQUID (x(La) 0.18978) + AL11LA3_D13 (x(La) 0.21429) + AL53LA22_C32 (x(La) 0.29333)
AlLa-01Cac.tdb	1444.91	AL11LA3_D13 (x(La) 0.21429) + AL3LA_D019 (x(La) 0.25) + AL53LA22_C32 (x(La) 0.29333)
AlLa-01Cac.tdb	1323.62	AL3LA_D019 (x(La) 0.25) + AL53LA22_C32 (x(La) 0.29333) + AL2LA_C15 (x(La) 0.33117)
AlLa-01Cac.tdb	1323.62	AL3LA_D019 (x(La) 0.25) + AL53LA22_C32 (x(La) 0.29333) + AL2LA_C15 (x(La) 0.33117)
AlLa-01Cac.tdb	1200	AL11LA3_D13 (x(La) 0.21429) + AL11LA3_ALPHA (x(La) 0.21429) + AL3LA_D019 (x(La) 0.25)
AlLa-01Cac.tdb	1200	LIQUID (x(La) 0.063) + AL11LA3_ALPHA (x(La) 0.21429) + AL11LA3_D13 (x(La) 0.21429)
AlLa-01Cac.tdb	1200	LIQUID (x(La) 0.06293) + AL11LA3_D13 (x(La) 0.21429) + AL11LA3_ALPHA (x(La) 0.21429)
AlLa-01Cac.tdb	1136.7	AL2LA_C15 (x(La) 0.37675) + ALLA (x(La) 0.5) + LIQUID (x(La) 0.60282)
AlLa-01Cac.tdb	1116.69	LIQUID (x(La) 0.94951) + BCC_A2 (x(La) 0.99494) + FCC_A1 (x(La) 0.99988)
AlLa-01Cac.tdb	910.91	FCC_A1 (x(La) 0) + LIQUID (x(La) 0.02321) + AL11LA3_ALPHA (x(La) 0.21429)
AlLa-01Cac.tdb	910.91	FCC_A1 (x(La) 0) + LIQUID (x(La) 0.02315) + AL11LA3_ALPHA (x(La) 0.21429)
AlLa-01Cac.tdb	910.91	FCC_A1 (x(La) 0) + LIQUID (x(La) 0.02313) + AL11LA3_ALPHA (x(La) 0.21429)
AlLa-01Cac.tdb	799.78	ALLA (x(La) 0.5) + LIQUID (x(La) 0.76697) + FCC_A1 (x(La) 0.99996)
AlLa-01Cac.tdb	799.78	ALLA (x(La) 0.5) + LIQUID (x(La) 0.76689) + FCC_A1 (x(La) 0.99996)
AlLa-01Cac.tdb	550	ALLA (x(La) 0.5) + DHCP (x(La) 1) + FCC_A1 (x(La) 1)
AlLa-06Zho.tdb	1513.52	LIQUID (x(La) 0.23146) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33322)
AlLa-06Zho.tdb	1508.54	AL11LA3_D13 (x(La) 0.21431) + LIQUID (x(La) 0.22941) + AL7LA3_C32 (x(La) 0.3)
AlLa-06Zho.tdb	1445.51	AL11LA3_D13 (x(La) 0.2143) + D019_ALLA (x(La) 0.25) + AL7LA3_C32 (x(La) 0.3)
AlLa-06Zho.tdb	1445.51	AL11LA3_D13 (x(La) 0.2143) + D019_ALLA (x(La) 0.25) + AL7LA3_C32 (x(La) 0.3)
AlLa-06Zho.tdb	1365.56	D019_ALLA (x(La) 0.25) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33329)
AlLa-06Zho.tdb	1365.56	D019_ALLA (x(La) 0.25) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33329)
AlLa-06Zho.tdb	1187.13	AL11LA3_D13 (x(La) 0.21429) + AL11LA3_ALPHA (x(La) 0.21429) + D019_ALLA (x(La) 0.25)
AlLa-06Zho.tdb	1187.13	AL11LA3_ALPHA (x(La) 0.21429) + AL11LA3_D13 (x(La) 0.21429) + D019_ALLA (x(La) 0.25)
AlLa-06Zho.tdb	1187.12	LIQUID (x(La) 0.09426) + AL11LA3_D13 (x(La) 0.21428) + AL11LA3_ALPHA (x(La) 0.21429)
AlLa-06Zho.tdb	1146.14	AL2LA_C15 (x(La) 0.33564) + ALLA (x(La) 0.5) + LIQUID (x(La) 0.5516)
AlLa-06Zho.tdb	1105.67	LIQUID (x(La) 0.95726) + BCC_A2 (x(La) 0.99222) + FCC_A1 (x(La) 1)
AlLa-06Zho.tdb	901.89	FCC_A1 (x(La) 0) + LIQUID (x(La) 0.03403) + AL11LA3_ALPHA (x(La) 0.21429)
AlLa-06Zho.tdb	795.62	ALLA (x(La) 0.5) + D019_ALLA (x(La) 0.75) + LIQUID (x(La) 0.77194)
AlLa-06Zho.tdb	792.84	D019_ALLA (x(La) 0.75) + LIQUID (x(La) 0.78648) + FCC_A1 (x(La) 1)
AlLa-06Zho.tdb	550	D019_ALLA (x(La) 0.75) + DHCP (x(La) 1) + FCC_A1 (x(La) 1)
AlLa-18Lia.tdb	1511.51	LIQUID (x(La) 0.24101) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33333)
AlLa-18Lia.tdb	1511.51	LIQUID (x(La) 0.24106) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33333)
AlLa-18Lia.tdb	1511.51	LIQUID (x(La) 0.24112) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33333)
AlLa-18Lia.tdb	1500.04	AL11LA3_D13 (x(La) 0.21429) + LIQUID (x(La) 0.23593) + AL7LA3_C32 (x(La) 0.3)
AlLa-18Lia.tdb	1500.04	AL11LA3_D13 (x(La) 0.21429) + LIQUID (x(La) 0.23585) + AL7LA3_C32 (x(La) 0.3)
AlLa-18Lia.tdb	1500.04	AL11LA3_D13 (x(La) 0.21429) + LIQUID (x(La) 0.2359) + AL7LA3_C32 (x(La) 0.3)
AlLa-18Lia.tdb	1441.98	AL11LA3_D13 (x(La) 0.21429) + AL3LA_D019 (x(La) 0.25) + AL7LA3_C32 (x(La) 0.3)
AlLa-18Lia.tdb	1363.18	AL3LA_D019 (x(La) 0.25) + AL7LA3_C32 (x(La) 0.3) + AL2LA_C15 (x(La) 0.33333)
AlLa-18Lia.tdb	1193	AL2LA_C15 (x(La) 0.33333) + BCC_A2 (x(La) 1) + LIQUID (x(La) 1)
AlLa-18Lia.tdb	1188	AL11LA3_D13 (x(La) 0.21429) + AL11LA3_LT (x(La) 0.21429) + AL3LA_D019 (x(La) 0.25)
AlLa-18Lia.tdb	1188	LIQUID (x(La) 0.07149) + AL11LA3_LT (x(La) 0.21429) + AL11LA3_D13 (x(La) 0.21429)
AlLa-18Lia.tdb	1144.11	AL2LA_C15 (x(La) 0.33333) + ALLA (x(La) 0.5) + LIQUID (x(La) 0.54225)
AlLa-18Lia.tdb	1144.11	AL2LA_C15 (x(La) 0.33333) + ALLA (x(La) 0.5) + LIQUID (x(La) 0.54223)
AlLa-18Lia.tdb	1106.01	LIQUID (x(La) 0.91503) + BCC_A2 (x(La) 0.99227) + FCC_A1 (x(La) 1)
AlLa-18Lia.tdb	904.96	FCC_A1 (x(La) 1.100e-4) + LIQUID (x(La) 0.02212) + AL11LA3_LT (x(La) 0.21429)
AlLa-18Lia.tdb	904.95	FCC_A1 (x(La) 1.100e-4) + LIQUID (x(La) 0.02201) + AL11LA3_LT (x(La) 0.21429)
AlLa-18Lia.tdb	799.55	ALLA (x(La) 0.5) + LIQUID (x(La) 0.75283) + FCC_A1 (x(La) 1)
AlLa-18Lia.tdb	799.55	ALLA (x(La) 0.5) + LIQUID (x(La) 0.75289) + FCC_A1 (x(La) 1)
AlLa-18Lia.tdb	550	ALLA (x(La) 0.5) + DHCP (x(La) 1) + FCC_A1 (x(La) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull AlLa-00Yin · CALPHAD hull AlLa-01Cac · CALPHAD hull AlLa-06Zho

Invariant reactions (literature)

Invariant reactions reported in the literature for the Al–La system (53)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1678.3	congruent melting: Liq -> Al2La	Liq: La 0.333; Al2La: La 0.333	model	[1] Zhou 2006	Table 4, p. 8, row 1 report
1678	congruent melting: Liq -> Al2La	Liq: Al 0.666667, La 0.333333; Al2La: Al 0.666667, La 0.333333	experimental	[1] Zhou 2006 cites Buschow 1965	Table 4, p. 8, row 2 report
1542	Liquid + LaAl2 -> La22Al53	Liquid: La 0.2083; LaAl2: La 0.3283; La22Al53: La 0.2933	model	[2] Cacciamani 2001	Table 2, p. 7, row 4 report
1513.2	congruent melting: Liq -> Al11La3-β	Liq: La 0.214; Al11La3-β: La 0.214	model	[1] Zhou 2006	Table 4, p. 8, row 3 report
1513	congruent melting: Liq -> Al11La3-β	Liq: Al 0.785714, La 0.214286; Al11La3-β: Al 0.785714, La 0.214286	experimental	[1] Zhou 2006 cites Buschow 1965	Table 4, p. 8, row 4 report
1513	Liq + Al2La -> Al7La3	Al2La: Al 0.666667, La 0.333333; Al7La3: Al 0.7, La 0.3	experimental	[1] Zhou 2006 cites Buschow 1965	Table 4, p. 8, row 6 report
1513	Liq. + LaAl2->LaAlx	L: La 0.245; LaAl2: La 0.333333; LaAlx: La 0.5	experimental	[3] Yin 2000 cites Buschow 1965	Table 2, p. 3, row 8 report
1512.8	Liq + Al2La -> Al7La3	Liq: La 0.235; Al2La: La 0.333; Al7La3: La 0.293	model	[1] Zhou 2006	Table 4, p. 8, row 5 report
1512	Liq. + LaAl2->LaAlx	L: La 0.241; LaAl2: La 0.333333; LaAlx: La 0.5	model	[3] Yin 2000	Table 2, p. 3, row 7 report
1511	Liquid + La22Al53 -> βLa3Al11	Liquid: La 0.19; La22Al53: La 0.2933; βLa3Al11: La 0.2143	model	[2] Cacciamani 2001	Table 2, p. 7, row 3 report
1505.7	eutectic: Liq -> Al11La3-β + Al7La3	Liq: La 0.232; Al11La3-β: La 0.214; Al7La3: La 0.293	model	[1] Zhou 2006	Table 4, p. 8, row 7 report
1500	eutectic: Liq.->La3Al11 + LaAlx	L: La 0.236; La3Al11: La 0.214286; LaAlx: La 0.5	model	[3] Yin 2000	Table 2, p. 3, row 5 report
1493	eutectic: Liq -> Al11La3-β + Al7La3	Al11La3-β: Al 0.785714, La 0.214286; Al7La3: Al 0.7, La 0.3	experimental	[1] Zhou 2006 cites Buschow 1965	Table 4, p. 8, row 8 report
1493	eutectic: Liq.->La3Al11 + LaAlx	L: La 0.24; La3Al11: La 0.214286; LaAlx: La 0.5	experimental	[3] Yin 2000 cites Buschow 1965	Table 2, p. 3, row 6 report
1445	βLa3Al11 + La22Al53 -> LaAl3	βLa3Al11: La 0.2143; La22Al53: La 0.2933; LaAl3: La 0.25	model	[2] Cacciamani 2001	Table 2, p. 7, row 6 report
1443	Al11La3-β + Al7La3 -> Al3La	Al11La3-β: Al 0.785714, La 0.214286; Al7La3: Al 0.7, La 0.3; Al3La: Al 0.75, La 0.25	experimental	[1] Zhou 2006 cites Buschow 1965	Table 4, p. 8, row 10 report
1443	LaALx + La3Al11->LaAl3	LaALx: La 0.3; La3Al11: La 0.214286; LaAl3: La 0.25	experimental	[3] Yin 2000 cites Buschow 1965	Table 2, p. 3, row 14 report
1443	LaALx + La3Al11->LaAl3	LaALx: La 0.3; La3Al11: La 0.214286; LaAl3: La 0.25	model	[3] Yin 2000	Table 2, p. 3, row 13 report
1442.4	Al11La3-β + Al7La3 -> Al3La	Al11La3-β: La 0.214; Al7La3: La 0.293; Al3La: La 0.25	model	[1] Zhou 2006	Table 4, p. 8, row 9 report
1363.8	Al7La3 -> Al3La + Al2La	Al7La3: La 0.293; Al3La: La 0.25; Al2La: La 0.333	model	[1] Zhou 2006	Table 4, p. 8, row 11 report
1363	LaAlx->LaAl3 + LaAl2	LaAlx: La 0.5; LaAl3: La 0.25; LaAl2: La 0.333333	experimental	[3] Yin 2000 cites Buschow 1965	Table 2, p. 3, row 16 report
1363	LaAlx->LaAl3 + LaAl2	LaAlx: La 0.5; LaAl3: La 0.25; LaAl2: La 0.333333	model	[3] Yin 2000	Table 2, p. 3, row 15 report
1363	Al7La3 -> Al3La + Al2La	Al7La3: Al 0.7, La 0.3; Al3La: Al 0.75, La 0.25; Al2La: Al 0.666667, La 0.333333	experimental	[1] Zhou 2006 cites Buschow 1965	Table 4, p. 8, row 12 report
1324	La22Al53 -> LaAl3 + LaAl2	La22Al53: La 0.2933; LaAl3: La 0.25; LaAl2: La 0.3312	model	[2] Cacciamani 2001	Table 2, p. 7, row 5 report
1188	polymorphic: Al11La3-β -> Al11La3-α	Al11La3-β: Al 0.785714, La 0.214286; Al11La3-α: Al 0.785714, La 0.214286	experimental	[1] Zhou 2006 cites Buschow 1965	Table 4, p. 8, row 14 report
1187.9	polymorphic: Al11La3-β -> Al11La3-α	Al11La3-β: La 0.214; Al11La3-α: La 0.25	model	[1] Zhou 2006	Table 4, p. 8, row 13 report
1146	Liq + Al2La -> AlLa	Liq: La 0.544; Al2La: La 0.336; AlLa: La 0.5	model	[1] Zhou 2006	Table 4, p. 8, row 15 report
1146	Liq. + LaAl2->LaAl	L: La 0.543; LaAl2: La 0.333333; LaAl: La 0.5	experimental	[3] Yin 2000 cites Buschow 1965	Table 2, p. 3, row 10 report
1146	Liq + Al2La -> AlLa	Al2La: Al 0.666667, La 0.333333; AlLa: Al 0.5, La 0.5	experimental	[1] Zhou 2006 cites Buschow 1965	Table 4, p. 8, row 16 report
1144	Liq. + LaAl2->LaAl	L: La 0.562; LaAl2: La 0.333333; LaAl: La 0.5	model	[3] Yin 2000	Table 2, p. 3, row 9 report
1137	Liquid + LaAl2 -> LaAl	Liquid: La 0.6031; LaAl2: La 0.3769; LaAl: La 0.5	model	[2] Cacciamani 2001	Table 2, p. 7, row 8 report
1117	(γLa) -> Liquid + (βLa)	(γLa): La 0.9949; Liquid: La 0.9495; (βLa): La 0.9999	model	[2] Cacciamani 2001	Table 2, p. 7, row 12 report
1105.2	bcc -> Liq + fcc	bcc: La 0.956; Liq: La 0.992; fcc: La 1	model	[1] Zhou 2006	Table 4, p. 8, row 17 report
1105	bcc -> Liq + fcc		experimental	[1] Zhou 2006 cites Saccone 1996	Table 4, p. 8, row 18 report
913	eutectic: Liquid -> αLa3Al11 + (Al)	Liquid: La 0.0232; αLa3Al11: La 0.2143; (Al): La 0	model	[2] Cacciamani 2001	Table 2, p. 7, row 1 report
909	eutectic: Liq.->fcc-Al+ La3Al11	L: La 0.026; La3Al11: La 0.214286	experimental	[3] Yin 2000 cites Buschow 1965	Table 2, p. 3, row 2 report
907	eutectic: Liq -> fcc + α-Al11La3	α-Al11La3: Al 0.785714, La 0.214286	experimental	[1] Zhou 2006 cites Kononenko 1990	Table 4, p. 8, row 20 report
905	eutectic: Liq.->fcc-Al+ La3Al11	L: La 0.022; La3Al11: La 0.214286	model	[3] Yin 2000	Table 2, p. 3, row 1 report
901.1	eutectic: Liq -> fcc + α-Al11La3	Liq: La 0.035; fcc: La 0; α-Al11La3: La 0.214	model	[1] Zhou 2006	Table 4, p. 8, row 19 report
803	eutectic: Liq.->LaAl+β-La	L: La 0.77; LaAl: La 0.5	experimental	[3] Yin 2000 cites Saccone 1996 doi	Table 2, p. 3, row 22 report
800.7	Liquid + LaAl -> La3Al	Liquid: La 0.7669; LaAl: La 0.5; La3Al: La 0.75	model	[2] Cacciamani 2001	Table 2, p. 7, row 9 report
800.6	eutectic: Liquid -> La3Al + (βLa)	Liquid: La 0.7671; La3Al: La 0.75; (βLa): La 0.9999	model	[2] Cacciamani 2001	Table 2, p. 7, row 10 report
799.6	eutectic: Liq.->LaAl+β-La	L: La 0.753; LaAl: La 0.5	model	[3] Yin 2000	Table 2, p. 3, row 21 report
795.5	Liq + AlLa -> Al3La	Liq: La 0.765; AlLa: La 0.5; Al3La: La 0.75	model	[1] Zhou 2006	Table 4, p. 8, row 21 report
794.5	eutectic: Liq -> Al3La + fcc	Liq: La 0.772; Al3La: La 0.75; fcc: La 1	model	[1] Zhou 2006	Table 4, p. 8, row 23 report
793.6	LaAl+β-La->LaAl3	LaAl: La 0.5; LaAl3: La 0.25	model	[3] Yin 2000	Table 2, p. 3, row 17 report
793	LaAl+β-La->LaAl3	LaAl: La 0.5; LaAl3: La 0.25	experimental	[3] Yin 2000 cites Saccone 1996 doi	Table 2, p. 3, row 18 report
790	Liq + AlLa -> Al3La	AlLa: Al 0.5, La 0.5; Al3La: Al 0.75, La 0.25	experimental	[1] Zhou 2006 cites Saccone 1996	Table 4, p. 8, row 22 report
790	eutectic: Liq -> Al3La + fcc	Al3La: Al 0.75, La 0.25	experimental	[1] Zhou 2006 cites Saccone 1996	Table 4, p. 8, row 24 report
673.5	LaAl3->LaAl+β-La	LaAl3: La 0.25; LaAl: La 0.5	model	[3] Yin 2000	Table 2, p. 3, row 19 report
673	LaAl3->LaAl+β-La	LaAl3: La 0.25; LaAl: La 0.5	experimental	[3] Yin 2000 cites Saccone 1996 doi	Table 2, p. 3, row 20 report
672	La3Al -> LaAl + (βLa)	La3Al: La 0.75; LaAl: La 0.5; (βLa): La 0.9999	model	[2] Cacciamani 2001	Table 2, p. 7, row 11 report
550	Fcc + Al3La -> dhcp	Fcc: La 1; Al3La: La 0.75; dhcp: La 1	model	[1] Zhou 2006	Table 4, p. 8, row 25 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, Al–La system (2)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location	Quote
Al11La3-α		-41 unknown	298.15	experimental			[1] Zhou 2006 cites Sommer 1988 doi	Table 3, p. 6, row 51 report
AlLa		-45.9 unknown	298.15	experimental			[1] Zhou 2006 cites Borzone 1997 doi	Table 3, p. 6, row 49 report

Other properties

Phase transition (8)

Phase transition, Al–La system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	1200 K	1200	βLa3Al11 -> αLa3Al11 βLa3Al11: La 0.2143; αLa3Al11: La 0.2143	model	[2] Cacciamani 2001	Table 2, p. 7, row 2 report
Phase transition	1506 K	1506	Liq.->La3Al11 L: La 0.214286; La3Al11: La 0.214286	model	[3] Yin 2000	Table 2, p. 3, row 3 report
Phase transition	1513 K	1513	Liq.->La3Al11 L: La 0.214286; La3Al11: La 0.214286	experimental	[3] Yin 2000 cites Buschow 1965	Table 2, p. 3, row 4 report
Phase transition	1513.2 K	1513.2	congruent transformation	model	[1] Zhou 2006	p. 7 report	Our model indicates congruent melting at 1513.2 K for the Al11La3-b phase, with a eutectic invariant at 1505.7 K.
Phase transition	1658 K	1658	Liquid -> LaAl2 Liquid: La 0.3362; LaAl2: La 0.3362	model	[2] Cacciamani 2001	Table 2, p. 7, row 7 report
Phase transition	1678 K	1678	Liq.->LaAl2 L: La 0.333333; LaAl2: La 0.333333	model	[3] Yin 2000	Table 2, p. 3, row 11 report
Phase transition	1678 K	1678	Liq.->LaAl2 L: La 0.333333; LaAl2: La 0.333333	experimental	[3] Yin 2000 cites Buschow 1965	Table 2, p. 3, row 12 report
Phase transition	1678.3 K	1678.3	congruent transformation	model	[1] Zhou 2006	p. 10 report	Most notably, we report (i) stability of the Al11La3-b phase up to a congruent melting temperature of 1678.3 K, (ii) stability of the AlLa3D019 phase extending down to 0 K, and (iii) liquidus boundaries that offer generally better agreement with experimental observation than previously reported phase diagrams.

Sources

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

S.H. Zhou, R.E. Napolitano, Phase equilibria and thermodynamic limits for partitionless crystallization in the Al–La binary system, Acta Materialia 54, 831-840 (2006). doi:10.1016/j.actamat.2005.10.013
G. Cacciamani, R. Ferro, Thermodynamic modeling of some aluminium-rare earth binary systems: Al-La, Al-Ce and Al-Nd, Calphad 25, 583-597 (2001). doi:10.1016/s0364-5916(02)00009-3
Fucheng Yin, Xuping Su, Zhi Li, Minhwa Huang, Ying Shi, A thermodynamic assessment of the La–Al system, Journal of Alloys and Compounds 302, 169-172 (2000). doi:10.1016/s0925-8388(00)00679-4

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}
}