Si–Ta system

154 accepted literature values from 4 paper(s) (experimental 56, model 66, DFT 11, unspecified 21); 4 calculated phase diagram(s). 7 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	56
model	66
DFT	11
unspecified	21

Accepted values by property group
Property group	Values
invariant reaction	40
phase transition	21
formation	71
heat capacity / entropy / enthalpy	2
crystal structure	20

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
SiTa-03Che-LB.tdb	P.Y. Chevalier, E. Fischer, unpublished, 2003.	`9af74fc82b4f21c6b5bc90a54c50409c242a4bef5217c5d263d86f2e4f061d13`	viewer · TDB · JSON
SiTa-09Guo.tdb	Z. Guo, W. Yuan, Y. Sun, Z. Cai, Z. Qiao, J. Phase Equilib. Diffus., 30, 564-70(2009). doi:10.1007/s11669-009-9579-x	`c62d1268ef5826629aabbad7e3d3028fd5cd468402d4af38b0280b52d1c2d65b`	viewer · TDB · JSON
SiTa-13Dro.tdb	I. Drouelle, C. Servant, J. Alloys Compd., 551, 293-99(2013). doi:10.1016/j.jallcom.2012.09.148	`ea6e244374f268486ec65b7f6a1b361aef95c6103411f4e1b36fd21d4b1fb338`	viewer · TDB · JSON
SiTa-89Vah.tdb	C. Vahlas, P.Y. Chevalier, E. Blanquet, Calphad, 13, 273-92(1989). doi:10.1016/0364-5916(89)90007-2	`e0c04ce292c0b0672c987526b60a481541adc2c4fb4c05360ac3cf941d12a355`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
SiTa-03Che-LB.tdb	2717.73	SI3TA5 (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.70429)
SiTa-03Che-LB.tdb	2717.73	SI3TA5 (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.70438)
SiTa-03Che-LB.tdb	2717.73	SI3TA5 (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.70412)
SiTa-03Che-LB.tdb	2608.6	SITA2_C16 (x(Ta) 0.66667) + SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.75509)
SiTa-03Che-LB.tdb	2608.59	SITA2_C16 (x(Ta) 0.66667) + SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.75529)
SiTa-03Che-LB.tdb	2608.59	SITA2_C16 (x(Ta) 0.66667) + SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.75535)
SiTa-03Che-LB.tdb	2547.29	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.81122) + BCC_A2 (x(Ta) 0.93731)
SiTa-03Che-LB.tdb	2547.29	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.81123) + BCC_A2 (x(Ta) 0.93731)
SiTa-03Che-LB.tdb	2228.35	SI2TA_C40 (x(Ta) 0.33333) + LIQUID (x(Ta) 0.42157) + SI3TA5 (x(Ta) 0.625)
SiTa-03Che-LB.tdb	2228.35	SI2TA_C40 (x(Ta) 0.33333) + LIQUID (x(Ta) 0.4217) + SI3TA5 (x(Ta) 0.625)
SiTa-03Che-LB.tdb	1652.08	DIAMOND_A4 (x(Ta) 0) + LIQUID (x(Ta) 0.06028) + SI2TA_C40 (x(Ta) 0.33333)
SiTa-03Che-LB.tdb	1652.07	DIAMOND_A4 (x(Ta) 0) + LIQUID (x(Ta) 0.05988) + SI2TA_C40 (x(Ta) 0.33333)
SiTa-09Guo.tdb	2709.53	SI3TA5_D8M (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.7149)
SiTa-09Guo.tdb	2709.53	SI3TA5_D8M (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.71464)
SiTa-09Guo.tdb	2709.53	SI3TA5_D8M (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.71495)
SiTa-09Guo.tdb	2613.89	SITA2_C16 (x(Ta) 0.66667) + SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.76405)
SiTa-09Guo.tdb	2613.89	SITA2_C16 (x(Ta) 0.66667) + SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.764)
SiTa-09Guo.tdb	2613.89	SITA2_C16 (x(Ta) 0.66667) + SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.76416)
SiTa-09Guo.tdb	2531.98	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.82332) + BCC_A2 (x(Ta) 0.92752)
SiTa-09Guo.tdb	2531.98	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.82335) + BCC_A2 (x(Ta) 0.92754)
SiTa-09Guo.tdb	2432.86	SI3TA5_D8M (x(Ta) 0.625) + SI3TA5_D8L (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667)
SiTa-09Guo.tdb	2432.86	LIQUID (x(Ta) 0.43622) + SI3TA5_D8L (x(Ta) 0.625) + SI3TA5_D8M (x(Ta) 0.625)
SiTa-09Guo.tdb	2273.7	SI2TA_C40 (x(Ta) 0.33333) + LIQUID (x(Ta) 0.3987) + SI3TA5_D8L (x(Ta) 0.625)
SiTa-09Guo.tdb	2273.69	SI2TA_C40 (x(Ta) 0.33333) + LIQUID (x(Ta) 0.39845) + SI3TA5_D8L (x(Ta) 0.625)
SiTa-09Guo.tdb	1661.12	DIAMOND_A4 (x(Ta) 0) + LIQUID (x(Ta) 0.0464) + SI2TA_C40 (x(Ta) 0.33333)
SiTa-09Guo.tdb	1661.11	DIAMOND_A4 (x(Ta) 0) + LIQUID (x(Ta) 0.04602) + SI2TA_C40 (x(Ta) 0.33333)
SiTa-13Dro.tdb	2729.12	SI3TA5_D8M (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.70336)
SiTa-13Dro.tdb	2729.12	SI3TA5_D8M (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.70335)
SiTa-13Dro.tdb	2729.12	SI3TA5_D8M (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.70345)
SiTa-13Dro.tdb	2634.49	SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.74625) + SITA3 (x(Ta) 0.75)
SiTa-13Dro.tdb	2634.48	SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.74643) + SITA3 (x(Ta) 0.75)
SiTa-13Dro.tdb	2634.48	SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.74644) + SITA3 (x(Ta) 0.75)
SiTa-13Dro.tdb	2560.21	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.80409) + BCC_A2 (x(Ta) 0.86547)
SiTa-13Dro.tdb	2560.21	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.80413) + BCC_A2 (x(Ta) 0.86552)
SiTa-13Dro.tdb	2433.02	SI3TA5_D8M (x(Ta) 0.625) + SI3TA5_D8L (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667)
SiTa-13Dro.tdb	2433.02	LIQUID (x(Ta) 0.45901) + SI3TA5_D8L (x(Ta) 0.625) + SI3TA5_D8M (x(Ta) 0.625)
SiTa-13Dro.tdb	2240.2	SI2TA_C40 (x(Ta) 0.33333) + LIQUID (x(Ta) 0.42287) + SI3TA5_D8L (x(Ta) 0.625)
SiTa-13Dro.tdb	2240.2	SI2TA_C40 (x(Ta) 0.33333) + LIQUID (x(Ta) 0.42299) + SI3TA5_D8L (x(Ta) 0.625)
SiTa-13Dro.tdb	1670	DIAMOND_A4 (x(Ta) 0) + LIQUID (x(Ta) 0.03669) + SI2TA_C40 (x(Ta) 0.33333)
SiTa-13Dro.tdb	1670	DIAMOND_A4 (x(Ta) 0) + LIQUID (x(Ta) 0.03632) + SI2TA_C40 (x(Ta) 0.33333)
SiTa-89Vah.tdb	2751.8	SI3TA5 (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.71257)
SiTa-89Vah.tdb	2751.8	SI3TA5 (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.71268)
SiTa-89Vah.tdb	2751.8	SI3TA5 (x(Ta) 0.625) + SITA2_C16 (x(Ta) 0.66667) + LIQUID (x(Ta) 0.71244)
SiTa-89Vah.tdb	2631.18	SITA2_C16 (x(Ta) 0.66667) + SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.76865)
SiTa-89Vah.tdb	2631.18	SITA2_C16 (x(Ta) 0.66667) + SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.76856)
SiTa-89Vah.tdb	2631.18	SITA2_C16 (x(Ta) 0.66667) + SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.76869)
SiTa-89Vah.tdb	2587.38	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.80938) + BCC_A2 (x(Ta) 1)
SiTa-89Vah.tdb	2587.38	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.80937) + BCC_A2 (x(Ta) 1)
SiTa-89Vah.tdb	2587.38	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.80937) + BCC_A2 (x(Ta) 1)
SiTa-89Vah.tdb	2587.38	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.80941) + BCC_A2 (x(Ta) 1)
SiTa-89Vah.tdb	2587.38	SITA3 (x(Ta) 0.75) + LIQUID (x(Ta) 0.8094) + BCC_A2 (x(Ta) 1)
SiTa-89Vah.tdb	2254.98	SI2TA_C40 (x(Ta) 0.33333) + LIQUID (x(Ta) 0.39893) + SI3TA5 (x(Ta) 0.625)
SiTa-89Vah.tdb	2254.98	SI2TA_C40 (x(Ta) 0.33333) + LIQUID (x(Ta) 0.39904) + SI3TA5 (x(Ta) 0.625)
SiTa-89Vah.tdb	1657.73	DIAMOND_A4 (x(Ta) 0) + LIQUID (x(Ta) 0.05764) + SI2TA_C40 (x(Ta) 0.33333)
SiTa-89Vah.tdb	1657.73	DIAMOND_A4 (x(Ta) 0) + LIQUID (x(Ta) 0.05734) + SI2TA_C40 (x(Ta) 0.33333)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull SiTa-03Che-LB · CALPHAD hull SiTa-09Guo · CALPHAD hull SiTa-89Vah

Invariant reactions (literature)

Invariant reactions reported in the literature for the Si–Ta system (40)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
2823	congruent melting: L -> βTa5Si3	βTa5Si3: Si 0.375	experimental	[1] Guo 2009 cites Yu 1981	Table 4, p. 4, row 10 report
2816	congruent melting: L -> βTa5Si3	βTa5Si3: Si 0.375	model	[1] Guo 2009	Table 4, p. 4, row 9 report
2786	(L) + Si5Ta3 -> SiTa2	L: Ta 0.711; SiTa2: Ta 0.666667	model	[2] Vahlas 1989	Table 4, p. 9, row 12 report
2714	Si3Ta5_HT + Liq <-> SiTa2	Si3Ta5_HT: Ta 0.625; L: Ta 0.711; SiTa2: Ta 0.666667	model	[3] Drouelle 2013	Table 5, p. 4, row 11 report
2713	L + βTa5Si3 -> Ta2Si	L: Si 0.286; βTa5Si3: Si 0.375; Ta2Si: Si 0.333	model	[1] Guo 2009	Table 4, p. 4, row 5 report
2713	(L) + Si5Ta3 -> SiTa2	L: Ta 0.72; SiTa2: Ta 0.666667	experimental	[2] Vahlas 1989 cites ref. 30	Table 4, p. 9, row 13 report
2713	Si3Ta5_HT + Liq <-> SiTa2	Si3Ta5_HT: Ta 0.625; L: Ta 0.72; SiTa2: Ta 0.666667	experimental	[3] Drouelle 2013 cites Massalski 1990	Table 5, p. 4, row 10 report
2713	L + βTa5Si3 -> Ta2Si	L: Si 0.28; βTa5Si3: Si 0.375; Ta2Si: Si 0.333	experimental	[1] Guo 2009 cites Yu 1981	Table 4, p. 4, row 6 report
2706	Si3Ta5_HT + Liq <-> SiTa2	Si3Ta5_HT: Ta 0.625; L: Ta 0.7534; SiTa2: Ta 0.666667	model	[3] Drouelle 2013	Table 5, p. 4, row 12 report
2643	SiTa2 + Liq <-> SiTa3	SiTa2: Ta 0.666667; L: Ta 0.7726; SiTa3: Ta 0.75	model	[3] Drouelle 2013	Table 5, p. 4, row 15 report
2622	(L) + SiTa2 -> SiTa3	L: Ta 0.768; SiTa2: Ta 0.666667; SiTa3: Ta 0.75	model	[2] Vahlas 1989	Table 4, p. 9, row 14 report
2619	SiTa2 + Liq <-> SiTa3	SiTa2: Ta 0.666667; L: Ta 0.7576; SiTa3: Ta 0.75	model	[3] Drouelle 2013	Table 5, p. 4, row 14 report
2613	L + Ta2Si -> Ta3Si	L: Si 0.234; Ta2Si: Si 0.333; Ta3Si: Si 0.25	model	[1] Guo 2009	Table 4, p. 4, row 3 report
2613	SiTa2 + Liq <-> SiTa3	SiTa2: Ta 0.666667; L: Ta 0.78; SiTa3: Ta 0.75	experimental	[3] Drouelle 2013 cites Massalski 1990	Table 5, p. 4, row 13 report
2613	L + Ta2Si -> Ta3Si	L: Si 0.22; Ta2Si: Si 0.333; Ta3Si: Si 0.25	experimental	[1] Guo 2009 cites Yu 1981	Table 4, p. 4, row 4 report
2579	eutectic: (L) -> bcc+SiTa3	L: Ta 0.31; SiTa3: Ta 0.75	model	[2] Vahlas 1989	Table 4, p. 9, row 16 report
2533	Liq <-> SiTa3 + (Ta)	L: Ta 0.83; SiTa3: Ta 0.75	experimental	[3] Drouelle 2013 cites Massalski 1990	Table 5, p. 4, row 7 report
2533	eutectic: L -> (Ta) + Ta3Si	L: Si 0.17; (Ta): Si 0.07; Ta3Si: Si 0.25	experimental	[1] Guo 2009 cites Yu 1981	Table 4, p. 4, row 2 report
2533	eutectic: (L) -> bcc+SiTa3	L: Ta 0.83; SiTa3: Ta 0.75	experimental	[2] Vahlas 1989 cites ref. 30	Table 4, p. 9, row 17 report
2533	eutectic: L -> (Ta) + Ta3Si	L: Si 0.177; (Ta): Si 0.07; Ta3Si: Si 0.25	model	[1] Guo 2009	Table 4, p. 4, row 1 report
2526	Liq <-> SiTa3 + (Ta)	L: Ta 0.8181; SiTa3: Ta 0.75	model	[3] Drouelle 2013	Table 5, p. 4, row 8 report
2508	Liq <-> SiTa3 + (Ta)	L: Ta 0.8364; SiTa3: Ta 0.75	model	[3] Drouelle 2013	Table 5, p. 4, row 9 report
2433	polymorphic: βTa5Si3 -> αTa5Si3	βTa5Si3: Si 0.375; αTa5Si3: Si 0.375, Ta 0.625	experimental	[1] Guo 2009 cites Yu 1981	Table 4, p. 4, row 8 report
2433	polymorphic: βTa5Si3 -> αTa5Si3	βTa5Si3: Si 0.375; αTa5Si3: Si 0.375, Ta 0.625	model	[1] Guo 2009	Table 4, p. 4, row 7 report
2313	congruent melting: L -> TaSi2	TaSi2: Si 0.667	experimental	[1] Guo 2009 cites Yu 1981	Table 4, p. 4, row 14 report
2307	congruent melting: L -> TaSi2	TaSi2: Si 0.667	model	[1] Guo 2009	Table 4, p. 4, row 13 report
2274	eutectic: L -> TaSi2 + αTa5Si3	L: Si 0.602; TaSi2: Si 0.667; αTa5Si3: Si 0.375	model	[1] Guo 2009	Table 4, p. 4, row 11 report
2267	eutectic: (L) -> Si2Ta+Si3Ta5	L: Ta 0.393; Si2Ta: Ta 0.333333; Si3Ta5: Ta 0.625	model	[2] Vahlas 1989	Table 4, p. 9, row 8 report
2253	Liq <->Si2Ta + Si3Ta5_LT	L: Ta 0.3963; Si2Ta: Ta 0.333333; Si3Ta5_LT: Ta 0.625	model	[3] Drouelle 2013	Table 5, p. 4, row 5 report
2238	Liq <->Si2Ta + Si3Ta5_LT	L: Ta 0.4153; Si2Ta: Ta 0.333333; Si3Ta5_LT: Ta 0.625	model	[3] Drouelle 2013	Table 5, p. 4, row 6 report
2233	eutectic: (L) -> Si2Ta+Si3Ta5	L: Ta 0.38; Si2Ta: Ta 0.333333; Si3Ta5: Ta 0.625	experimental	[2] Vahlas 1989 cites ref. 30	Table 4, p. 9, row 9 report
2233	Liq <->Si2Ta + Si3Ta5_LT	L: Ta 0.38; Si2Ta: Ta 0.333333; Si3Ta5_LT: Ta 0.625	experimental	[3] Drouelle 2013 cites Massalski 1990	Table 5, p. 4, row 4 report
2233	eutectic: L -> TaSi2 + αTa5Si3	L: Si 0.62; TaSi2: Si 0.667; αTa5Si3: Si 0.375	experimental	[1] Guo 2009 cites Yu 1981	Table 4, p. 4, row 12 report
1679	Liq <-> Si + Si2Ta	L: Ta 0.0168; Si: Ta 0; Si2Ta: Ta 0.333333	model	[3] Drouelle 2013	Table 5, p. 4, row 2 report
1673	eutectic: L -> (Si) + TaSi2	L: Si 0.99; (Si): Si 1; TaSi2: Si 0.667	experimental	[1] Guo 2009 cites Yu 1981	Table 4, p. 4, row 16 report
1673	Liq <-> Si + Si2Ta	L: Ta 0.01; Si: Ta 0; Si2Ta: Ta 0.333333	experimental	[3] Drouelle 2013 cites Massalski 1990	Table 5, p. 4, row 1 report
1673	eutectic: (L) -> Si(dia) + Si2Ta	L: Ta 0.02; Si(dia): Ta 0; Si2Ta: Ta 0.333333	experimental	[2] Vahlas 1989 cites ref. 30	Table 4, p. 9, row 5 report
1666	eutectic: L -> (Si) + TaSi2	L: Si 0.954; (Si): Si 1; TaSi2: Si 0.667	model	[1] Guo 2009	Table 4, p. 4, row 15 report
1662	eutectic: (L) -> Si(dia) + Si2Ta	L: Ta 0.052; Si(dia): Ta 0; Si2Ta: Ta 0.333333	model	[2] Vahlas 1989	Table 4, p. 9, row 4 report
1624	Liq <-> Si + Si2Ta	L: Ta 0.0818; Si: Ta 0; Si2Ta: Ta 0.333333	model	[3] Drouelle 2013	Table 5, p. 4, row 3 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–Ta system (52)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location
Si0.25Ta0.75	SiTa3	-43.332 kJ/mol-atom	2087.5	experimental	-40.609 (mp-aaabgjfa)	-42.591 (oqmd-18906)	[3] Drouelle 2013 cites Myers 1957 doi	Table 2, p. 2, row 26 report
Si0.25Ta0.75	SiTa3	-42.2237 kJ/mol-atom	298.15	model	-40.609 (mp-aaabgjfa)	-42.591 (oqmd-18906)	[3] Drouelle 2013	Table 2, p. 2, row 25 report
Si0.25Ta0.75	SiTa3	-39 kJ/mol-atom	298.15	model	-40.609 (mp-aaabgjfa)	-42.591 (oqmd-18906)	[3] Drouelle 2013 cites F 1988	Table 2, p. 2, row 24 report
Si0.3333Ta0.6667	SiTa2	-55.969 kJ/mol-atom	1027	experimental	-51.407 (mp-aaaaaedb)	-53.99 (oqmd-7796)	[3] Drouelle 2013 cites Levine 1969 doi	Table 2, p. 2, row 23 report
Si0.3333Ta0.6667	SiTa2	-52.117 kJ/mol-atom	2045	experimental	-51.407 (mp-aaaaaedb)	-53.99 (oqmd-7796)	[3] Drouelle 2013 cites Myers 1957 doi	Table 2, p. 2, row 21 report
Si0.3333Ta0.6667	SiTa2	-52.0086 kJ/mol-atom	298.15	model	-51.407 (mp-aaaaaedb)	-53.99 (oqmd-7796)	[3] Drouelle 2013	Table 2, p. 2, row 22 report
Si0.3333Ta0.6667	SiTa2	-51 kJ/mol-atom	298.15	model	-51.407 (mp-aaaaaedb)	-53.99 (oqmd-7796)	[3] Drouelle 2013 cites F 1988	Table 2, p. 2, row 20 report
Si0.375Ta0.625_HT	Si3Ta5	-54.937 kJ/mol-atom	1027	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013 cites Levine 1969 doi	Table 2, p. 2, row 19 report
Si0.375Ta0.625_HT	Si3Ta5	-52.423 kJ/mol-atom	1900	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013 cites Myers 1957 doi	Table 2, p. 2, row 17 report
Si0.375Ta0.625_HT	Si3Ta5	-52.42 kJ/mol-atom	298.15	model	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013 cites Tao 2009 doi	Table 2, p. 2, row 18 report
Si0.375Ta0.625_HT	Si3Ta5	-52.3815 kJ/mol-atom	298.15	model	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013	Table 2, p. 2, row 16 report
Si0.375Ta0.625_HT	Si3Ta5	-41.9 kJ/mol-atom	298.15	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013 cites Myers 1957 doi	Table 2, p. 2, row 15 report
Si0.375Ta0.625_HT	Si3Ta5	-39.7 kJ/mol-atom	298.15	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013 cites Robins 1955 doi	Table 2, p. 2, row 14 report
Si0.375Ta0.625_HT	Si3Ta5	-38.1 kJ/mol-atom ± 1.7	1473	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013 cites Meschel 1998 doi	Table 2, p. 2, row 12 report
Si0.375Ta0.625_HT	Si3Ta5	-38.1 kJ/mol-atom	298.15	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013 cites Nowotny 1956 doi	Table 2, p. 2, row 13 report
Si0.375Ta0.625_HT	Si3Ta5	-37.7 kJ/mol-atom	298.15	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013 cites Levine 1969 doi	Table 2, p. 2, row 11 report
Si0.375Ta0.625_LT		-56.15 kJ/mol-atom	298.15	DFT			[3] Drouelle 2013 cites Tao 2009 doi	Table 2, p. 2, row 10 report
Si0.375Ta0.625_LT	Si3Ta5	-55 kJ/mol-atom	298.15	model	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013 cites F 1988	Table 2, p. 2, row 9 report
Si0.375Ta0.625_LT	Si3Ta5	-52.3807 kJ/mol-atom	298.15	model	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[3] Drouelle 2013	Table 2, p. 2, row 8 report
Si0.6667Ta0.3333	Si2Ta	-46.0991 kJ/mol-atom	298.15	model	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[3] Drouelle 2013	Table 2, p. 2, row 6 report
Si0.6667Ta0.3333	Si2Ta	-46 kJ/mol-atom ± 2.5	1473	experimental	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[3] Drouelle 2013 cites Meschel 1998 doi	Table 2, p. 2, row 7 report
Si0.6667Ta0.3333	Si2Ta	-44 kJ/mol-atom	298.15	model	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[3] Drouelle 2013 cites F 1988	Table 2, p. 2, row 5 report
Si0.6667Ta0.3333	Si2Ta	-43.332 kJ/mol-atom	1760.5	experimental	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[3] Drouelle 2013 cites Myers 1957 doi	Table 2, p. 2, row 4 report
Si0.6667Ta0.3333	Si2Ta	-39.7 kJ/mol-atom	298.15	experimental	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[3] Drouelle 2013 cites Kubaschewski 1968	Table 2, p. 2, row 3 report
Si0.6667Ta0.3333	Si2Ta	-38.8 kJ/mol-atom	298.15	experimental	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[3] Drouelle 2013 cites Robins 1955 doi	Table 2, p. 2, row 2 report
Si0.75Ta0.25	Si3Ta	-39 kJ/mol-atom	298.15	model		4.527 (oqmd-2031407)	[3] Drouelle 2013 cites F 1988	Table 2, p. 2, row 1 report
Ta2Si	SiTa2	-56 kJ/mol-atom		model	-51.407 (mp-aaaaaedb)	-53.99 (oqmd-7796)	[4] Broz 2013 cites Storms 1985	Table 2, p. 6, row 67 report
Ta2Si	SiTa2	-54.3 kJ/mol-atom	0	unspecified	-51.407 (mp-aaaaaedb)	-53.99 (oqmd-7796)	[4] Broz 2013	Table 2, p. 6, row 64 report
Ta2Si	SiTa2	-52.8 kJ/mol-atom	0	model	-51.407 (mp-aaaaaedb)	-53.99 (oqmd-7796)	[4] Broz 2013 cites Guo 2009 doi	Table 2, p. 6, row 68 report
Ta2Si	SiTa2	-52.1 kJ/mol-atom		model	-51.407 (mp-aaaaaedb)	-53.99 (oqmd-7796)	[4] Broz 2013 cites Gorelkin 1971	Table 2, p. 6, row 65 report
Ta2Si	SiTa2	-51 kJ/mol-atom		model	-51.407 (mp-aaaaaedb)	-53.99 (oqmd-7796)	[4] Broz 2013 cites Eremenko 1975	Table 2, p. 6, row 66 report
Ta3Si	SiTa3	-43.3 kJ/mol-atom		model	-40.609 (mp-aaabgjfa)	-42.591 (oqmd-18906)	[4] Broz 2013 cites Gorelkin 1971	Table 2, p. 6, row 61 report
Ta3Si	SiTa3	-43 kJ/mol-atom	0	model	-40.609 (mp-aaabgjfa)	-42.591 (oqmd-18906)	[4] Broz 2013 cites Guo 2009 doi	Table 2, p. 6, row 63 report
Ta3Si	SiTa3	-43 kJ/mol-atom	0	unspecified	-40.609 (mp-aaabgjfa)	-42.591 (oqmd-18906)	[4] Broz 2013	Table 2, p. 6, row 60 report
Ta3Si	SiTa3	-39 kJ/mol-atom		model	-40.609 (mp-aaabgjfa)	-42.591 (oqmd-18906)	[4] Broz 2013 cites Eremenko 1975	Table 2, p. 6, row 62 report
Ta5Si3	Si3Ta5	-48.1 kJ/mol-atom	0	unspecified	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013	Table 2, p. 6, row 59 report
Ta5Si3 (α)	Si3Ta5	-59.8 kJ/mol-atom	0	unspecified	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013	Table 2, p. 6, row 49 report
Ta5Si3 (α)	Si3Ta5	-56.2 kJ/mol-atom		model	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013 cites Tao 2011	Table 2, p. 6, row 54 report
Ta5Si3 (α)	Si3Ta5	-52.3 kJ/mol-atom	0	model	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013 cites Guo 2009 doi	Table 2, p. 6, row 55 report
Ta5Si3 (α)	Si3Ta5	-41.8 kJ/mol-atom ± 7.8	298.15	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013 cites Myers 1957	Table 2, p. 6, row 50 report
Ta5Si3 (α)	Si3Ta5	-39.7 kJ/mol-atom	298.15	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013 cites Robins 1955 doi	Table 2, p. 6, row 53 report
Ta5Si3 (α)	Si3Ta5	-38.1 kJ/mol-atom ± 1.7	298.15	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013 cites Meschel 1998 doi	Table 2, p. 6, row 51 report
Ta5Si3 (α)	Si3Ta5	-37.7 kJ/mol-atom ± 4.7	298.15	experimental	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013 cites Levine 1969 doi	Table 2, p. 6, row 52 report
Ta5Si3 (β)	Si3Ta5	-55.4 kJ/mol-atom	0	unspecified	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013	Table 2, p. 6, row 56 report
Ta5Si3 (β)	Si3Ta5	-52.4 kJ/mol-atom		model	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013 cites Tao 2011	Table 2, p. 6, row 57 report
Ta5Si3 (β)	Si3Ta5	-51.6 kJ/mol-atom	0	model	-57.039 (mp-aaaaacyn)	-59.481 (oqmd-3573)	[4] Broz 2013 cites Guo 2009 doi	Table 2, p. 6, row 58 report
TaSi2	Si2Ta	-46.7 kJ/mol-atom	0	unspecified	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[4] Broz 2013	Table 2, p. 6, row 43 report
TaSi2	Si2Ta	-46 kJ/mol-atom ± 2.5	298.15	experimental	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[4] Broz 2013 cites Meschel 1998 doi	Table 2, p. 6, row 45 report
TaSi2	Si2Ta	-41.1 kJ/mol-atom	0	model	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[4] Broz 2013 cites Guo 2009 doi	Table 2, p. 6, row 48 report
TaSi2	Si2Ta	-38.8 kJ/mol-atom	298.15	experimental	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[4] Broz 2013 cites Robins 1955 doi	Table 2, p. 6, row 47 report
TaSi2	Si2Ta	-32.4 kJ/mol-atom ± 14	298.15	experimental	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[4] Broz 2013 cites Myers 1957	Table 2, p. 6, row 44 report
TaSi2	Si2Ta	-22.6 kJ/mol-atom ± 7.8	298.15	experimental	-41.496 (mp-aaaaaqom)	-46.105 (oqmd-8153)	[4] Broz 2013 cites Levine 1969 doi	Table 2, p. 6, row 46 report

Other properties

Phase transition (21)

Phase transition, Si–Ta system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	1685 K	1685	Si(dia) -> Si(L) Si(dia): Ta 0	experimental	[2] Vahlas 1989 cites ref. 4	Table 4, p. 9, row 3 report
Phase transition	1687 K	1687	Si(dia) -> Si(L) Si(dia): Ta 0	experimental	[2] Vahlas 1989 cites ref. 10	Table 4, p. 9, row 2 report
Phase transition	1687 K	1687	Si(dia) -> Si(L) Si(dia): Ta 0	model	[2] Vahlas 1989	Table 4, p. 9, row 1 report
Phase transition	2277 K	2277	Liq <->Si2Ta L: Ta 0.3333; Si2Ta: Ta 0.333333	model	[3] Drouelle 2013	Table 5, p. 4, row 17 report
Phase transition	2285 K	2285	(L) -> Si2Ta L: Ta 0.333; Si2Ta: Ta 0.333333	model	[2] Vahlas 1989	Table 4, p. 9, row 6 report
Phase transition	2303 K	2303	Liq <->Si2Ta L: Ta 0.3333; Si2Ta: Ta 0.333333	model	[3] Drouelle 2013	Table 5, p. 4, row 18 report
Phase transition	2313 K	2313	(L) -> Si2Ta L: Ta 0.333; Si2Ta: Ta 0.333333	experimental	[2] Vahlas 1989 cites ref. 30	Table 4, p. 9, row 7 report
Phase transition	2313 K	2313	Liq <->Si2Ta L: Ta 0.3333; Si2Ta: Ta 0.333333	experimental	[3] Drouelle 2013 cites Massalski 1990	Table 5, p. 4, row 16 report
Phase transition	2313 K	2313	congruent transformation	experimental	[3] Drouelle 2013 cites Kocherzhinskii 1981	p. 2 report	The two stoichiometric compounds Si2Ta and Si3Ta5_HT melt congruently at 2313 and 2823 K respectively.
Phase transition	2431 K	2431	Si5Ta3_LT <-> Si5Ta3_HT Si5Ta3_LT: Ta 0.625; Si5Ta3_HT: Ta 0.625	model	[3] Drouelle 2013	Table 5, p. 4, row 24 report
Phase transition	2433 K	2433	Si5Ta3_LT <-> Si5Ta3_HT Si5Ta3_LT: Ta 0.625; Si5Ta3_HT: Ta 0.625	model	[3] Drouelle 2013	Table 5, p. 4, row 23 report
Phase transition	2433 K	2433	polymorphic: Si5Ta3_LT <-> Si5Ta3_HT	experimental	[3] Drouelle 2013	p. 2 report	The polymorphic transition Si5Ta3_LT <-> Si5Ta3_HT occurs at 2433 K.
Phase transition	2433.5 K	2433.5	Si5Ta3_LT <-> Si5Ta3_HT Si5Ta3_LT: Ta 0.625; Si5Ta3_HT: Ta 0.625	experimental	[3] Drouelle 2013 cites Massalski 1990	Table 5, p. 4, row 22 report
Phase transition	2814 K	2814	Liq<-> Si3Ta5_HT L: Ta 0.625; Si3Ta5_HT: Ta 0.625	model	[3] Drouelle 2013	Table 5, p. 4, row 21 report
Phase transition	2817 K	2817	Liq<-> Si3Ta5_HT L: Ta 0.625; Si3Ta5_HT: Ta 0.625	model	[3] Drouelle 2013	Table 5, p. 4, row 20 report
Phase transition	2823 K	2823	(L) -> Si5Ta3 L: Ta 0.625	experimental	[2] Vahlas 1989 cites ref. 30	Table 4, p. 9, row 11 report
Phase transition	2823 K	2823	(L) -> Si5Ta3 L: Ta 0.625	model	[2] Vahlas 1989	Table 4, p. 9, row 10 report
Phase transition	2823 K	2823	Liq<-> Si3Ta5_HT L: Ta 0.625; Si3Ta5_HT: Ta 0.625	experimental	[3] Drouelle 2013 cites Massalski 1990	Table 5, p. 4, row 19 report
Phase transition	2823 K	2823	congruent transformation	experimental	[3] Drouelle 2013 cites Kocherzhinskii 1981	p. 2 report	The two stoichiometric compounds Si2Ta and Si3Ta5_HT melt congruently at 2313 and 2823 K respectively.
Phase transition	3258 K	3258	Ta(bcc) -> Ta(L) Ta(bcc): Ta 1	model	[2] Vahlas 1989	Table 4, p. 9, row 18 report
Phase transition	3258 K	3258	Ta(bcc) -> Ta(L) Ta(bcc): Ta 1	experimental	[2] Vahlas 1989 cites ref. 4	Table 4, p. 9, row 19 report

Formation (19)

Formation, Si–Ta system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Entropy of formation printed: s	0.10907 J/mol-atom/K		Si0.25Ta0.75 alloy: Ta 0.75	unspecified	[3] Drouelle 2013	Table 2, p. 2, row 42 report
Entropy of formation printed: s	-1.03482 J/mol-atom/K		Si0.3333Ta0.6667 alloy: Ta 0.6667	unspecified	[3] Drouelle 2013	Table 2, p. 2, row 41 report
Entropy of formation printed: s	0.556494 J/mol-atom/K		Si0.375Ta0.625_HT alloy: Ta 0.625	unspecified	[3] Drouelle 2013	Table 2, p. 2, row 40 report
Entropy of formation printed: s	0.276595 J/mol-atom/K		Si0.375Ta0.625_LT alloy: Ta 0.625	unspecified	[3] Drouelle 2013	Table 2, p. 2, row 35 report
Entropy of formation printed: s	3.86421 J/mol-atom/K		Si0.6667Ta0.3333 alloy: Ta 0.3333	unspecified	[3] Drouelle 2013	Table 2, p. 2, row 34 report
Entropy of formation printed: s (Redlich–Kister)	0.10907 J/mol-atom/K	298.15	Si0.25Ta0.75 alloy: Ta 0.75	model	[3] Drouelle 2013	Table 2, p. 2, row 25 report
Entropy of formation printed: s (Kaptay)	-0.422237 J/mol-atom/K	298.15	Si0.25Ta0.75 alloy: Ta 0.75	model	[3] Drouelle 2013	Table 2, p. 2, row 25 report
Entropy of formation printed: s (Kaptay)	0.581966 J/mol-atom/K	298.15	Si0.3333Ta0.6667 alloy: Ta 0.6667	model	[3] Drouelle 2013	Table 2, p. 2, row 22 report
Entropy of formation printed: s (Redlich–Kister)	-1.03482 J/mol-atom/K	298.15	Si0.3333Ta0.6667 alloy: Ta 0.6667	model	[3] Drouelle 2013	Table 2, p. 2, row 22 report
Entropy of formation printed: s (Redlich–Kister)	0.556494 J/mol-atom/K	298.15	Si0.375Ta0.625_HT alloy: Ta 0.625	model	[3] Drouelle 2013	Table 2, p. 2, row 16 report
Entropy of formation printed: s (Redlich–Kister)	0.276595 J/mol-atom/K	298.15	Si0.375Ta0.625_LT alloy: Ta 0.625	model	[3] Drouelle 2013	Table 2, p. 2, row 8 report
Entropy of formation printed: s (Kaptay)	-0.777086 J/mol-atom/K	298.15	Si0.375Ta0.625_LT alloy: Ta 0.625	model	[3] Drouelle 2013	Table 2, p. 2, row 8 report
Entropy of formation printed: s (Redlich–Kister)	3.86421 J/mol-atom/K	298.15	Si0.6667Ta0.3333 alloy: Ta 0.3333	model	[3] Drouelle 2013	Table 2, p. 2, row 6 report
Entropy of formation printed: s	-13.95 J/mol-atom/K	1027	Si0.3333Ta0.6667 alloy: Ta 0.6667	experimental	[3] Drouelle 2013 cites Levine 1969 doi	Table 2, p. 2, row 23 report
Entropy of formation printed: s	-13.34 J/mol-atom/K	1027	Si0.375Ta0.625_HT alloy: Ta 0.625	experimental	[3] Drouelle 2013 cites Levine 1969 doi	Table 2, p. 2, row 19 report
Entropy of formation printed: s	13.57 J/mol-atom/K	1760.5	Si0.6667Ta0.3333 alloy: Ta 0.3333	experimental	[3] Drouelle 2013 cites Myers 1957 doi	Table 2, p. 2, row 4 report
Entropy of formation printed: s	-0.339 J/mol-atom/K	1900	Si0.375Ta0.625_HT alloy: Ta 0.625	experimental	[3] Drouelle 2013 cites Myers 1957 doi	Table 2, p. 2, row 17 report
Entropy of formation printed: s	-1.6 J/mol-atom/K	2045	Si0.3333Ta0.6667 alloy: Ta 0.6667	experimental	[3] Drouelle 2013 cites Myers 1957 doi	Table 2, p. 2, row 21 report
Entropy of formation printed: s	-2.17 J/mol-atom/K	2087.5	Si0.25Ta0.75 alloy: Ta 0.75	experimental	[3] Drouelle 2013 cites Myers 1957 doi	Table 2, p. 2, row 26 report

Heat capacity / entropy / enthalpy (2)

Heat capacity / entropy / enthalpy, Si–Ta system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Entropy printed: s = b	-0.776768 J/mol-atom/K	298.15	Si0.375Ta0.625_HT alloy: Ta 0.625	model	[3] Drouelle 2013	Table 2, p. 2, row 16 report
Entropy printed: s = b	0.024162 J/mol-atom/K	298.15	Si0.6667Ta0.3333 alloy: Ta 0.3333	model	[3] Drouelle 2013	Table 2, p. 2, row 6 report

Crystal structure (20)

Crystal structure, Si–Ta system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Lattice a	6.19 Å	0	Ta2Si alloy: Ta 0.666667	DFT	[4] Broz 2013	Table 1, p. 3, row 10 report
Lattice a	10.195 Å	0	Ta3Si alloy: Ta 0.75	DFT	[4] Broz 2013	Table 1, p. 3, row 7 report
Lattice a	6.552 Å	0	Ta5Si3 (α) alloy: Ta 0.625	DFT	[4] Broz 2013	Table 1, p. 3, row 14 report
Lattice a	9.892 Å		Ta5Si3 (β) alloy: Ta 0.625	unspecified	[4] Broz 2013 cites Guo 2009 doi	Table 1, p. 3, row 17 report
Lattice a	9.913 Å	0	Ta5Si3 (β) alloy: Ta 0.625	DFT	[4] Broz 2013	Table 1, p. 3, row 18 report
Lattice a	4.792 Å	0	TaSi2 alloy: Ta 0.333333	DFT	[4] Broz 2013	Table 1, p. 3, row 33 report
Lattice a	6.172 Å	298.15	Ta2Si alloy: Ta 0.666667	unspecified	[4] Broz 2013 cites Guo 2009 doi	Table 1, p. 3, row 9 report
Lattice a	10.184 Å	298.15	Ta3Si alloy: Ta 0.75	unspecified	[4] Broz 2013 cites Guo 2009 doi	Table 1, p. 3, row 6 report
Lattice a	6.519 Å	298.15	Ta5Si3 (α) alloy: Ta 0.625	unspecified	[4] Broz 2013 cites Guo 2009 doi	Table 1, p. 3, row 13 report
Lattice a	4.784 Å	298.15	TaSi2 alloy: Ta 0.333333	unspecified	[4] Broz 2013 cites Guo 2009 doi	Table 1, p. 3, row 32 report
Lattice c	5.071 Å	0	Ta2Si alloy: Ta 0.666667	DFT	[4] Broz 2013	Table 1, p. 3, row 10 report
Lattice c	5.206 Å	0	Ta3Si alloy: Ta 0.75	DFT	[4] Broz 2013	Table 1, p. 3, row 7 report
Lattice c	11.911 Å	0	Ta5Si3 (α) alloy: Ta 0.625	DFT	[4] Broz 2013	Table 1, p. 3, row 14 report
Lattice c	5.042 Å		Ta5Si3 (β) alloy: Ta 0.625	unspecified	[4] Broz 2013 cites Guo 2009 doi	Table 1, p. 3, row 17 report
Lattice c	5.078 Å	0	Ta5Si3 (β) alloy: Ta 0.625	DFT	[4] Broz 2013	Table 1, p. 3, row 18 report
Lattice c	6.572 Å	0	TaSi2 alloy: Ta 0.333333	DFT	[4] Broz 2013	Table 1, p. 3, row 33 report
Lattice c	5.05 Å	298.15	Ta2Si alloy: Ta 0.666667	unspecified	[4] Broz 2013 cites Guo 2009 doi	Table 1, p. 3, row 9 report
Lattice c	5.183 Å	298.15	Ta3Si alloy: Ta 0.75	unspecified	[4] Broz 2013 cites Guo 2009 doi	Table 1, p. 3, row 6 report
Lattice c	11.87 Å	298.15	Ta5Si3 (α) alloy: Ta 0.625	unspecified	[4] Broz 2013 cites Guo 2009 doi	Table 1, p. 3, row 13 report
Lattice c	6.568 Å	298.15	TaSi2 alloy: Ta 0.333333	unspecified	[4] Broz 2013 cites Guo 2009 doi	Table 1, p. 3, row 32 report

Sources

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

Zhongnan Guo, Wenxia Yuan, Yu Sun, Zhoufei Cai, Zhiyu Qiao, Thermodynamic Assessment of the Si-Ta and Si-W Systems, J. Phase Equilib. Diffus. 30, 564-570 (2009). doi:10.1007/s11669-009-9579-x
C. Vahlas, P.Y. Chevalier, E. Blanquet, A thermodynamic evaluation of four Si-M (M = Mo, Ta, Ti, W) binary systems, Calphad 13, 273-292 (1989). doi:10.1016/0364-5916(89)90007-2
I. Drouelle, C. Servant, Thermodynamic assessment of the Si–Ta system, Journal of Alloys and Compounds 551, 293-299 (2013). doi:10.1016/j.jallcom.2012.09.148
P. Broz, A.U. Khan, H. Niu, X.-Q. Chen, D. Li, J. Vrestal et al., The system Ta–V–Si: Thermodynamic modeling, Journal of Solid State Chemistry 199, 171-180 (2013). doi:10.1016/j.jssc.2012.12.003

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}
}