Si–Sr system

166 accepted literature values from 2 paper(s) (experimental 59, model 57, DFT 47, unspecified 3); 5 calculated phase diagram(s). 6 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 (10) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence classValues
experimental59
model57
DFT47
unspecified3
Accepted values by property group
Property groupValues
invariant reaction67
phase transition14
formation41
crystal structure44

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 fileAssessmentSHA-256Links
SiSr-09Gar-ass.tdbA. Garay, G. Trapaga, Z.-K. Liu, R. Arroyave, Calphad, 33, 550-56(2009). doi:10.1016/j.calphad.2009.07.001e825df829ea13daaf0b110b1cdbb5503f65162e6ce0ae3fc49351f2adc834c3dviewer · TDB · JSON
SiSr-09Gar-sub.tdbA. Garay, G. Trapaga, Z.-K. Liu, R. Arroyave, Calphad, 33, 550-56(2009). doi:10.1016/j.calphad.2009.07.001c18609c145d86a66d9f6009f48082392ddcf5969a8e9500b73c156745dfee4bbviewer · TDB · JSON
SiSr-11Li-ass.tdbK. Li, S. Liu, C. Sha, Y. Du, Calphad, 35, 594-600(2011). doi:10.1016/j.calphad.2011.09.007c699e96af0535a4cdf0d4ca9e862d17848c11836e39c4d70142df771f249e28bviewer · TDB · JSON
SiSr-11Li-sub.tdbK. Li, S. Liu, C. Sha, Y. Du, Calphad, 35, 594-600(2011). doi:10.1016/j.calphad.2011.09.007284219837343eb2894f690ee9127fec853b809bed39de4f5df91b8e36d94e750viewer · TDB · JSON
SiSr-20Yi.tdbW. Yi, J. Gao, Y. Tang, L. Zhang, Calphad, 68, 101732(2020). doi:10.1016/j.calphad.2019.101732bd62e207cf2b98615d846183760cd35fc438192a795b12d1300cd34b6b935ab2viewer · TDB · JSON
Calculated three-phase invariants (model, mole fraction of the second component)
TDB fileT (K)Phases at the invariant
SiSr-09Gar-ass.tdb1398.25SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.5868) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-09Gar-ass.tdb1355.56SI2SR_CC (x(Sr) 0.36956) + LIQUID (x(Sr) 0.404) + SISR_B33 (x(Sr) 0.5)
SiSr-09Gar-ass.tdb1318.18SI3SR5_D8L (x(Sr) 0.625) + SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.74543)
SiSr-09Gar-ass.tdb1314.27DIAMOND_A4 (x(Sr) 0) + LIQUID (x(Sr) 0.25556) + SI2SR_CC (x(Sr) 0.33861)
SiSr-09Gar-ass.tdb1008.07SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.96973) + BCC_A2 (x(Sr) 1)
SiSr-09Gar-ass.tdb849.73DIAMOND_A4 (x(Sr) 0) + SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.33414)
SiSr-09Gar-ass.tdb820SISR2_C37 (x(Sr) 0.66667) + FCC_A1 (x(Sr) 1) + BCC_A2 (x(Sr) 1)
SiSr-09Gar-ass.tdb748.6SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.34462) + SISR_B33 (x(Sr) 0.5)
SiSr-09Gar-sub.tdb1398.23SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.57502) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-09Gar-sub.tdb1398.23SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.57489) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-09Gar-sub.tdb1398.23SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.57516) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-09Gar-sub.tdb1362.64SI3SR5_D8L (x(Sr) 0.625) + SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.708)
SiSr-09Gar-sub.tdb1362.63SI3SR5_D8L (x(Sr) 0.625) + SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.70832)
SiSr-09Gar-sub.tdb1359.75SI2SR_CC (x(Sr) 0.36983) + LIQUID (x(Sr) 0.40714) + SISR_B33 (x(Sr) 0.5)
SiSr-09Gar-sub.tdb1359.75SI2SR_CC (x(Sr) 0.36977) + LIQUID (x(Sr) 0.40697) + SISR_B33 (x(Sr) 0.5)
SiSr-09Gar-sub.tdb1296.87DIAMOND_A4 (x(Sr) 0) + LIQUID (x(Sr) 0.24912) + SI2SR_CC (x(Sr) 0.33842)
SiSr-09Gar-sub.tdb1023.72SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.96994) + BCC_A2 (x(Sr) 1)
SiSr-09Gar-sub.tdb1023.72SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.97014) + BCC_A2 (x(Sr) 1)
SiSr-09Gar-sub.tdb839.04DIAMOND_A4 (x(Sr) 0) + SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.33406)
SiSr-09Gar-sub.tdb820SISR2_C37 (x(Sr) 0.66667) + FCC_A1 (x(Sr) 1) + BCC_A2 (x(Sr) 1)
SiSr-09Gar-sub.tdb751.59SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.34305) + SISR_B33 (x(Sr) 0.5)
SiSr-11Li-ass.tdb1399.43SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.58714) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-11Li-ass.tdb1347.77SI2SR_CC (x(Sr) 0.37298) + LIQUID (x(Sr) 0.4181) + SISR_B33 (x(Sr) 0.5)
SiSr-11Li-ass.tdb1347.75SI3SR5_D8L (x(Sr) 0.625) + SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.73089)
SiSr-11Li-ass.tdb1327.03DIAMOND_A4 (x(Sr) 0.00552) + LIQUID (x(Sr) 0.24584) + SI2SR_CC (x(Sr) 0.33658)
SiSr-11Li-ass.tdb1008.56SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.96914) + BCC_A2 (x(Sr) 1)
SiSr-11Li-ass.tdb820SISR2_C37 (x(Sr) 0.66667) + FCC_A1 (x(Sr) 1) + BCC_A2 (x(Sr) 1)
SiSr-11Li-ass.tdb739.66DIAMOND_A4 (x(Sr) 0.00458) + SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.33386)
SiSr-11Li-ass.tdb651.8SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.36032) + SISR_B33 (x(Sr) 0.5)
SiSr-11Li-sub.tdb1399.89SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.57332) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-11Li-sub.tdb1399.89SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.57326) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-11Li-sub.tdb1399.89SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.5735) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-11Li-sub.tdb1372.82SI2SR_CC (x(Sr) 0.36456) + LIQUID (x(Sr) 0.41063) + SISR_B33 (x(Sr) 0.5)
SiSr-11Li-sub.tdb1372.82SI2SR_CC (x(Sr) 0.36447) + LIQUID (x(Sr) 0.41035) + SISR_B33 (x(Sr) 0.5)
SiSr-11Li-sub.tdb1370.56SI3SR5_D8L (x(Sr) 0.625) + SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.70531)
SiSr-11Li-sub.tdb1370.56SI3SR5_D8L (x(Sr) 0.625) + SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.70505)
SiSr-11Li-sub.tdb1323.55DIAMOND_A4 (x(Sr) 0.00599) + LIQUID (x(Sr) 0.24393) + SI2SR_CC (x(Sr) 0.3379)
SiSr-11Li-sub.tdb1024.01SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.97388) + BCC_A2 (x(Sr) 1)
SiSr-11Li-sub.tdb1024.01SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.97414) + BCC_A2 (x(Sr) 1)
SiSr-11Li-sub.tdb820SISR2_C37 (x(Sr) 0.66667) + FCC_A1 (x(Sr) 1) + BCC_A2 (x(Sr) 1)
SiSr-11Li-sub.tdb741.58DIAMOND_A4 (x(Sr) 0.00175) + SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.33423)
SiSr-11Li-sub.tdb650.94SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.36423) + SISR_B33 (x(Sr) 0.5)
SiSr-20Yi.tdb1408.68SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.58731) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-20Yi.tdb1408.68SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.58692) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-20Yi.tdb1408.68SISR_B33 (x(Sr) 0.5) + LIQUID (x(Sr) 0.58754) + SI3SR5_D8L (x(Sr) 0.625)
SiSr-20Yi.tdb1382.78SI2SR_CC (x(Sr) 0.35889) + LIQUID (x(Sr) 0.39844) + SISR_B33 (x(Sr) 0.5)
SiSr-20Yi.tdb1382.78SI2SR_CC (x(Sr) 0.35882) + LIQUID (x(Sr) 0.3982) + SISR_B33 (x(Sr) 0.5)
SiSr-20Yi.tdb1357.63SI3SR5_D8L (x(Sr) 0.625) + SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.71544)
SiSr-20Yi.tdb1357.63SI3SR5_D8L (x(Sr) 0.625) + SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.71536)
SiSr-20Yi.tdb1342.69DIAMOND_A4 (x(Sr) 0.00725) + LIQUID (x(Sr) 0.25624) + SI2SR_CC (x(Sr) 0.33911)
SiSr-20Yi.tdb1024.43SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.9716) + BCC_A2 (x(Sr) 1)
SiSr-20Yi.tdb1024.42SISR2_C37 (x(Sr) 0.66667) + LIQUID (x(Sr) 0.97178) + BCC_A2 (x(Sr) 1)
SiSr-20Yi.tdb820SISR2_C37 (x(Sr) 0.66667) + FCC_A1 (x(Sr) 1) + BCC_A2 (x(Sr) 1)
SiSr-20Yi.tdb728.93DIAMOND_A4 (x(Sr) 2.600e-4) + SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.33926)
SiSr-20Yi.tdb728.93DIAMOND_A4 (x(Sr) 2.600e-4) + SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.33926)
SiSr-20Yi.tdb666.83SI2SR_ALPHA (x(Sr) 0.33333) + SI2SR_CC (x(Sr) 0.35899) + SISR_B33 (x(Sr) 0.5)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull SiSr-09Gar-ass · CALPHAD hull SiSr-09Gar-sub · CALPHAD hull SiSr-11Li-ass · CALPHAD hull SiSr-11Li-sub

Invariant reactions (literature)

Invariant reactions reported in the literature for the Si–Sr system (67)
T (K)Reaction / phasesCompositions (mole fraction)ClassSourceLocationQuote
1468.15congruent melting: L -> SiSrL: Si 0.5, Sr 0.5; SiSr: Si 0.5, Sr 0.5experimental[1] Li 2011
cites Palenzona 2004 doi
Table 4, p. 6, row 21
report
1462.15congruent melting: L -> SiSrL: Si 0.5, Sr 0.5; SiSr: Si 0.5, Sr 0.5model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 24
report
1456.15congruent melting: L -> SiSrL: Si 0.5, Sr 0.5; SiSr: Si 0.5, Sr 0.5model[1] Li 2011Table 4, p. 6, row 25
report
1456.15congruent melting: L -> SiSrL: Si 0.5, Sr 0.5; SiSr: Si 0.5, Sr 0.5model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 22
report
1451.15congruent melting: L -> SiSrL: Si 0.5, Sr 0.5; SiSr: Si 0.5, Sr 0.5model[1] Li 2011Table 4, p. 6, row 23
report
1428.15congruent melting: L -> Si3Sr5L: Si 0.375, Sr 0.625; Si3Sr5: Si 0.375, Sr 0.625model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 12
report
1426.15congruent melting: L -> Si3Sr5L: Si 0.375, Sr 0.625; Si3Sr5: Si 0.375, Sr 0.625model[1] Li 2011Table 4, p. 6, row 13
report
1423.15congruent melting: L -> Si3Sr5L: Si 0.375, Sr 0.625; Si3Sr5: Si 0.375, Sr 0.625experimental[1] Li 2011
cites Palenzona 2004 doi
Table 4, p. 6, row 11
report
1412.15congruent melting: L -> Si3Sr5L: Si 0.375, Sr 0.625; Si3Sr5: Si 0.375, Sr 0.625model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 14
report
1411.15congruent melting: L -> Si3Sr5L: Si 0.375, Sr 0.625; Si3Sr5: Si 0.375, Sr 0.625model[1] Li 2011Table 4, p. 6, row 15
report
1400.15eutectic: L -> Si3Sr5 + SiSrSi3Sr5: Si 0.375, Sr 0.625; SiSr: Si 0.5, Sr 0.5model[1] Li 2011Table 4, p. 6, row 18
report
1399.15eutectic: L -> Si3Sr5 + SiSrSi3Sr5: Si 0.375, Sr 0.625; SiSr: Si 0.5, Sr 0.5model[1] Li 2011Table 4, p. 6, row 20
report
1398.15eutectic: L -> Sr5Si3 + SrSiL: Sr 0.575; Sr5Si3: Sr 0.625; SrSi: Sr 0.5model[2] Garay 2009Table 5, p. 5, row 7
report
1398.15eutectic: L -> Si3Sr5 + SiSrSi3Sr5: Si 0.375, Sr 0.625; SiSr: Si 0.5, Sr 0.5model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 17
report
1397.15congruent melting: L -> β-Si2SrL: Si 0.666667, Sr 0.333333; β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011Table 4, p. 6, row 33
report
1396.15eutectic: L -> Sr5Si3 + SrSiL: Sr 0.584; Sr5Si3: Sr 0.625; SrSi: Sr 0.5model[2] Garay 2009Table 5, p. 5, row 6
report
1395.15congruent melting: L -> β-Si2SrL: Si 0.666667, Sr 0.333333; β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011Table 4, p. 6, row 35
report
1393.15congruent melting: L -> β-Si2SrL: Si 0.666667, Sr 0.333333; β-Si2Sr: Si 0.666667, Sr 0.333333experimental[1] Li 2011
cites Palenzona 2004 doi
Table 4, p. 6, row 31
report
1383.15eutectic: L -> Sr5Si3 + SrSiL: Sr 0.55; Sr5Si3: Sr 0.625; SrSi: Sr 0.5experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 5, p. 5, row 5
report
1383.15eutectic: L -> Si3Sr5 + SiSrSi3Sr5: Si 0.375, Sr 0.625; SiSr: Si 0.5, Sr 0.5experimental[1] Li 2011
cites Palenzona 2004 doi
Table 4, p. 6, row 16
report
1381.15congruent melting: L -> β-Si2SrL: Si 0.666667, Sr 0.333333; β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 32
report
1380.15congruent melting: L -> β-Si2SrL: Si 0.666667, Sr 0.333333; β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 34
report
1373.15eutectic: L -> SiSr + β-Si2SrSiSr: Si 0.5, Sr 0.5; β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011Table 4, p. 6, row 28
report
1371.15L + Si3Sr5 -> SiSr2Si3Sr5: Si 0.375, Sr 0.625; SiSr2: Si 0.333333, Sr 0.666667model[1] Li 2011Table 4, p. 6, row 8
report
1363.15L + Si3Sr5 -> SiSr2Si3Sr5: Si 0.375, Sr 0.625; SiSr2: Si 0.333333, Sr 0.666667model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 7
report
1363.15peritectic: L + Sr5Si3 -> Sr2SiL: Sr 0.71; Sr5Si3: Sr 0.625; Sr2Si: Sr 0.666667model[2] Garay 2009Table 5, p. 5, row 10
report
1359.15eutectic: L -> SiSr + β-Si2SrSiSr: Si 0.5, Sr 0.5; β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 27
report
1355.15eutectic: L -> SiSr + β-Si2SrSiSr: Si 0.5, Sr 0.5; β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 29
report
1353.15peritectic: L + Sr5Si3 -> Sr2SiL: Sr 0.72; Sr5Si3: Sr 0.625; Sr2Si: Sr 0.666667experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 5, p. 5, row 8
report
1353.15L + Si3Sr5 -> SiSr2Si3Sr5: Si 0.375, Sr 0.625; SiSr2: Si 0.333333, Sr 0.666667experimental[1] Li 2011
cites Palenzona 2004 doi
Table 4, p. 6, row 6
report
1350.15peritectic: L + Sr5Si3 -> Sr2SiL: Sr 0.72; Sr5Si3: Sr 0.625; Sr2Si: Sr 0.666667model[2] Garay 2009Table 5, p. 5, row 9
report
1348.15L + Si3Sr5 -> SiSr2Si3Sr5: Si 0.375, Sr 0.625; SiSr2: Si 0.333333, Sr 0.666667model[1] Li 2011Table 4, p. 6, row 10
report
1348.15eutectic: L -> SiSr + β-Si2SrSiSr: Si 0.5, Sr 0.5; β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011Table 4, p. 6, row 30
report
1348.15eutectic: L -> β-Si2Sr + (Si)β-Si2Sr: Si 0.666667, Sr 0.333333experimental[1] Li 2011
cites Rygalin 2010 doi
Table 4, p. 6, row 36
report
1345.15eutectic: L -> SrSi + SrSi2L: Sr 0.401; SrSi: Sr 0.5; SrSi2: Sr 0.333333model[2] Garay 2009Table 5, p. 5, row 21
report
1330.15eutectic: L -> SrSi + SrSi2L: Sr 0.405; SrSi: Sr 0.5; SrSi2: Sr 0.333333model[2] Garay 2009Table 5, p. 5, row 20
report
1328.15eutectic: L -> SrSi + SrSi2L: Sr 0.37; SrSi: Sr 0.5; SrSi2: Sr 0.333333experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 5, p. 5, row 19
report
1328.15eutectic: L -> SiSr + β-Si2SrSiSr: Si 0.5, Sr 0.5; β-Si2Sr: Si 0.666667, Sr 0.333333experimental[1] Li 2011
cites Palenzona 2004 doi
Table 4, p. 6, row 26
report
1327.15eutectic: L -> Si + SrSi2L: Sr 0.256; Si: Sr 0; SrSi2: Sr 0.333333model[2] Garay 2009Table 5, p. 5, row 28
report
1327.15eutectic: L -> β-Si2Sr + (Si)β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011Table 4, p. 6, row 40
report
1323.15eutectic: L -> β-Si2Sr + (Si)β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011Table 4, p. 6, row 38
report
1318.15L + Si3Sr5 -> SiSr2Si3Sr5: Si 0.375, Sr 0.625; SiSr2: Si 0.333333, Sr 0.666667model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 9
report
1318.15eutectic: L -> SrSi + SrSi2SrSi: Sr 0.5; SrSi2: Sr 0.333333experimental[2] Garay 2009
cites Itkin 1989 doi
Table 5, p. 5, row 18
report
1318.15eutectic: L -> Si + SrSi2L: Sr 0.25; Si: Sr 0; SrSi2: Sr 0.333333experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 5, p. 5, row 27
report
1317.15eutectic: L -> Si + SrSi2L: Sr 0.25; Si: Sr 0; SrSi2: Sr 0.333333model[2] Garay 2009Table 5, p. 5, row 29
report
1314.15eutectic: L -> β-Si2Sr + (Si)β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 39
report
1296.15eutectic: L -> β-Si2Sr + (Si)β-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 37
report
1273.15eutectic: L -> Si + SrSi2Si: Sr 0; SrSi2: Sr 0.333333experimental[2] Garay 2009
cites Itkin 1989 doi
Table 5, p. 5, row 26
report
1024.15eutectic: L -> Sr2Si + (βSr)L: Sr 0.971; Sr2Si: Sr 0.666667model[2] Garay 2009Table 5, p. 5, row 4
report
1024.15eutectic: L -> β-Sr + SiSr2SiSr2: Si 0.333333, Sr 0.666667model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 2
report
1024.15eutectic: L -> β-Sr + SiSr2SiSr2: Si 0.333333, Sr 0.666667model[1] Li 2011Table 4, p. 6, row 3
report
1018.15eutectic: L -> β-Sr + SiSr2SiSr2: Si 0.333333, Sr 0.666667experimental[1] Li 2011
cites Palenzona 2004 doi
Table 4, p. 6, row 1
report
1018.15eutectic: L -> Sr2Si + (βSr)L: Sr 0.97; Sr2Si: Sr 0.666667experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 5, p. 5, row 2
report
1010.15eutectic: L -> Sr2Si + (βSr)L: Sr 0.972; Sr2Si: Sr 0.666667model[2] Garay 2009Table 5, p. 5, row 3
report
1009.15eutectic: L -> β-Sr + SiSr2SiSr2: Si 0.333333, Sr 0.666667model[1] Li 2011Table 4, p. 6, row 5
report
1008.15eutectic: L -> β-Sr + SiSr2SiSr2: Si 0.333333, Sr 0.666667model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 4
report
973.15eutectic: L -> Sr2Si + (βSr)Sr2Si: Sr 0.666667experimental[2] Garay 2009
cites Itkin 1989 doi
Table 5, p. 5, row 1
report
850.15β-Si2Sr + (Si) -> α-Si2Srβ-Si2Sr: Si 0.666667, Sr 0.333333; α-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 49
report
839.15β-Si2Sr + (Si) -> α-Si2Srβ-Si2Sr: Si 0.666667, Sr 0.333333; α-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 47
report
751.15β-Si2Sr -> α-Si2Sr + SiSrβ-Si2Sr: Si 0.666667, Sr 0.333333; α-Si2Sr: Si 0.666667, Sr 0.333333; SiSr: Si 0.5, Sr 0.5model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 42
report
748.15β-Si2Sr -> α-Si2Sr + SiSrβ-Si2Sr: Si 0.666667, Sr 0.333333; α-Si2Sr: Si 0.666667, Sr 0.333333; SiSr: Si 0.5, Sr 0.5model[1] Li 2011
cites Garay 2009 doi
Table 4, p. 6, row 44
report
742.15β-Si2Sr + (Si) -> α-Si2Srβ-Si2Sr: Si 0.666667, Sr 0.333333; α-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011Table 4, p. 6, row 48
report
740.15β-Si2Sr + (Si) -> α-Si2Srβ-Si2Sr: Si 0.666667, Sr 0.333333; α-Si2Sr: Si 0.666667, Sr 0.333333model[1] Li 2011Table 4, p. 6, row 50
report
723.15β-Si2Sr + (Si) -> α-Si2Srβ-Si2Sr: Si 0.666667, Sr 0.333333; α-Si2Sr: Si 0.666667, Sr 0.333333experimental[1] Li 2011
cites Evers 1978 doi
Table 4, p. 6, row 46
report
673.15β-Si2Sr -> α-Si2Sr + SiSrβ-Si2Sr: Si 0.666667, Sr 0.333333; α-Si2Sr: Si 0.666667, Sr 0.333333; SiSr: Si 0.5, Sr 0.5experimental[1] Li 2011
cites Evers 1978 doi
Table 4, p. 6, row 41
report
652.15β-Si2Sr -> α-Si2Sr + SiSrβ-Si2Sr: Si 0.666667, Sr 0.333333; α-Si2Sr: Si 0.666667, Sr 0.333333; SiSr: Si 0.5, Sr 0.5model[1] Li 2011Table 4, p. 6, row 45
report
651.15β-Si2Sr -> α-Si2Sr + SiSrβ-Si2Sr: Si 0.666667, Sr 0.333333; α-Si2Sr: Si 0.666667, Sr 0.333333; SiSr: Si 0.5, Sr 0.5model[1] Li 2011Table 4, p. 6, row 43
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–Sr system (41)
PhaseCompoundValueT (K)ClassMP DFT (kJ/mol-atom)OQMD DFT (kJ/mol-atom)SourceLocationQuote
Si3Sr5-44.3 kJ/mol-atom298.15DFT[1] Li 2011
cites Garay 2009 doi
Table 2, p. 2, row 6
report
Si3Sr5Si3Sr5-43.8 kJ/mol-atom ± 3.6298.15experimental-35.254 (mp-aaaaabcs)-38.219 (oqmd-24997)[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 4
report
Si3Sr5-40.3 kJ/mol-atom298.15DFT[1] Li 2011
cites Garay 2009 doi
Table 2, p. 2, row 5
report
SiSr-53.1 kJ/mol-atom298.15DFT[1] Li 2011
cites Garay 2009 doi
Table 2, p. 2, row 9
report
SiSrSiSr-51.7 kJ/mol-atom ± 4.1298.15experimental-41.601 (mp-aaaaadyj)-45.381 (oqmd-14241)[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 7
report
SiSr-46.9 kJ/mol-atom298.15DFT[1] Li 2011
cites Garay 2009 doi
Table 2, p. 2, row 8
report
SiSr2-41.3 kJ/mol-atom298.15DFT[1] Li 2011
cites Garay 2009 doi
Table 2, p. 2, row 3
report
SiSr2SiSr2-39.7 kJ/mol-atom ± 3.2298.15experimental-32.784 (mp-aaaaabqo)-35.542 (oqmd-1713)[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 1
report
SiSr2-37.9 kJ/mol-atom298.15DFT[1] Li 2011
cites Garay 2009 doi
Table 2, p. 2, row 2
report
Sr2SiSiSr2-66.3 kJ/mol-atom298.15model-32.784 (mp-aaaaabqo)-35.542 (oqmd-1713)[2] Garay 2009
cites Gordienko 1997 doi
Table 2, p. 4, row 1
report
Sr2Si-41.3 kJ/mol-atom298.15DFT[2] Garay 2009Table 2, p. 4, row 3
report
Sr2SiSiSr2-39.7 kJ/mol-atom298.15experimental-32.784 (mp-aaaaabqo)-35.542 (oqmd-1713)[2] Garay 2009
cites Balducci 2006 doi
Table 2, p. 4, row 6
report
Sr2Si-37.9 kJ/mol-atom298.15DFT[2] Garay 2009Table 2, p. 4, row 4
report
Sr2Si-37.6 kJ/mol-atom298.15DFT[2] Garay 2009
cites Brutti 2008 doi
Table 2, p. 4, row 5
report
Sr2SiSiSr2-35.3 kJ/mol-atom298.15unspecified-32.784 (mp-aaaaabqo)-35.542 (oqmd-1713)[2] Garay 2009
cites Imai 2002 doi
Table 2, p. 4, row 2
report
Sr5Si3-44.3 kJ/mol-atom298.15DFT[2] Garay 2009Table 2, p. 4, row 7
report
Sr5Si3Si3Sr5-43.8 kJ/mol-atom298.15experimental-35.254 (mp-aaaaabcs)-38.219 (oqmd-24997)[2] Garay 2009
cites Balducci 2006 doi
Table 2, p. 4, row 10
report
Sr5Si3-40.3 kJ/mol-atom298.15DFT[2] Garay 2009Table 2, p. 4, row 8
report
Sr5Si3-40.2 kJ/mol-atom298.15DFT[2] Garay 2009
cites Brutti 2008 doi
Table 2, p. 4, row 9
report
SrSiSiSr-67 kJ/mol-atom298.15model-41.601 (mp-aaaaadyj)-45.381 (oqmd-14241)[2] Garay 2009
cites Gordienko 1997 doi
Table 2, p. 4, row 11
report
SrSi-53.1 kJ/mol-atom298.15DFT[2] Garay 2009Table 2, p. 4, row 13
report
SrSiSiSr-51.7 kJ/mol-atom298.15experimental-41.601 (mp-aaaaadyj)-45.381 (oqmd-14241)[2] Garay 2009
cites Balducci 2006 doi
Table 2, p. 4, row 16
report
SrSi-46.9 kJ/mol-atom298.15DFT[2] Garay 2009Table 2, p. 4, row 14
report
SrSi-46.7 kJ/mol-atom298.15DFT[2] Garay 2009
cites Brutti 2008 doi
Table 2, p. 4, row 15
report
SrSiSiSr-43.5 kJ/mol-atom298.15unspecified-41.601 (mp-aaaaadyj)-45.381 (oqmd-14241)[2] Garay 2009
cites Imai 2002 doi
Table 2, p. 4, row 12
report
α-Si2SrSi2Sr-42.7 kJ/mol-atom ± 4.3298.15experimental-30.715 (mp-aaaaacol)-35.357 (oqmd-6867)[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 13
report
α-Si2Sr-42 kJ/mol-atomDFT[1] Li 2011
cites Garay 2009 doi
Table 2, p. 2, row 15
report
α-Si2Sr-35.7 kJ/mol-atomDFT[1] Li 2011
cites Garay 2009 doi
Table 2, p. 2, row 14
report
α-SrSi2Si2Sr-67.3 kJ/mol-atom298.15model-30.715 (mp-aaaaacol)-35.357 (oqmd-6867)[2] Garay 2009
cites Gordienko 1997 doi
Table 2, p. 4, row 17
report
α-SrSi2Si2Sr-42.7 kJ/mol-atom298.15experimental-30.715 (mp-aaaaacol)-35.357 (oqmd-6867)[2] Garay 2009
cites Balducci 2006 doi
Table 2, p. 4, row 22
report
α-SrSi2-42 kJ/mol-atom298.15DFT[2] Garay 2009Table 2, p. 4, row 19
report
α-SrSi2-35.8 kJ/mol-atom298.15DFT[2] Garay 2009
cites Brutti 2008 doi
Table 2, p. 4, row 21
report
α-SrSi2-35.7 kJ/mol-atom298.15DFT[2] Garay 2009Table 2, p. 4, row 20
report
α-SrSi2Si2Sr-34.6 kJ/mol-atom298.15unspecified-30.715 (mp-aaaaacol)-35.357 (oqmd-6867)[2] Garay 2009
cites Imai 2002 doi
Table 2, p. 4, row 18
report
β-Si2Sr-44.7 kJ/mol-atom298.15DFT[1] Li 2011
cites Garay 2009 doi
Table 2, p. 2, row 12
report
β-Si2SrSi2Sr-40.3 kJ/mol-atom ± 3.7298.15experimental-30.715 (mp-aaaaacol)-35.357 (oqmd-6867)[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 10
report
β-Si2Sr-35.9 kJ/mol-atom298.15DFT[1] Li 2011
cites Garay 2009 doi
Table 2, p. 2, row 11
report
β-SrSi2-44.7 kJ/mol-atom298.15DFT[2] Garay 2009Table 2, p. 4, row 23
report
β-SrSi2Si2Sr-40.3 kJ/mol-atom298.15experimental-30.715 (mp-aaaaacol)-35.357 (oqmd-6867)[2] Garay 2009
cites Balducci 2006 doi
Table 2, p. 4, row 26
report
β-SrSi2-35.9 kJ/mol-atom298.15DFT[2] Garay 2009Table 2, p. 4, row 24
report
β-SrSi2-35.7 kJ/mol-atom298.15DFT[2] Garay 2009
cites Brutti 2008 doi
Table 2, p. 4, row 25
report

Other properties

Phase transition (14)

Phase transition, Si–Sr system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Phase transition1373.15 K1373.15congruent meltingexperimental[2] Garay 2009
cites Palenzona 2004 doi
p. 2
report
At the 66.66% composition, Palenzona and Pani found two different polymorphs: a high temperature tetragonal α -ThSi2 -type phase β -SrSi2 , which melts congruently at ∼1100 ◦ C and a cubic structure α -SrSi2 , stable at lower temperatures.
Phase transition1373.15 K1373.15congruent melting: L -> SrSi2experimental[2] Garay 2009
cites Itkin 1989 doi
Table 5, p. 5, row 22
report
Phase transition1380.15 K1380.15congruent melting: L -> SrSi2
L: Sr 0.353
model[2] Garay 2009Table 5, p. 5, row 24
report
Phase transition1387.15 K1387.15congruent melting: L -> SrSi2
L: Sr 0.355
model[2] Garay 2009Table 5, p. 5, row 25
report
Phase transition1393.15 K1393.15congruent meltingexperimental[2] Garay 2009
cites Palenzona 2004 doi
p. 2
report
Sr5 Si3 was confirmed to be of the tetragonal Cr5 B3 -type and was found to melt congruently at 1150 ◦ C, just below the melting point of SrSi (1195 ◦ C) and above that of the β -SrSi2 phase (1120 ◦ C).
Phase transition1393.15 K1393.15congruent melting: L -> SrSi2
L: Sr 0.333
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 5, p. 5, row 23
report
Phase transition1412.15 K1412.15congruent melting: L -> Sr5Si3
L: Sr 0.625; Sr5Si3: Sr 0.625
model[2] Garay 2009Table 5, p. 5, row 12
report
Phase transition1413.15 K1413.15congruent melting: L -> SrSi
L: Sr 0.5; SrSi: Sr 0.5
experimental[2] Garay 2009
cites Itkin 1989 doi
Table 5, p. 5, row 14
report
Phase transition1423.15 K1423.15congruent meltingexperimental[2] Garay 2009
cites Palenzona 2004 doi
p. 2
report
Sr5 Si3 was confirmed to be of the tetragonal Cr5 B3 -type and was found to melt congruently at 1150 ◦ C, just below the melting point of SrSi (1195 ◦ C) and above that of the β -SrSi2 phase (1120 ◦ C).
Phase transition1423.15 K1423.15congruent melting: L -> Sr5Si3
L: Sr 0.625; Sr5Si3: Sr 0.625
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 5, p. 5, row 11
report
Phase transition1428.15 K1428.15congruent melting: L -> Sr5Si3
L: Sr 0.625; Sr5Si3: Sr 0.625
model[2] Garay 2009Table 5, p. 5, row 13
report
Phase transition1456.15 K1456.15congruent melting: L -> SrSi
L: Sr 0.5; SrSi: Sr 0.5
model[2] Garay 2009Table 5, p. 5, row 16
report
Phase transition1468.15 K1468.15congruent meltingexperimental[2] Garay 2009
cites Palenzona 2004 doi
p. 2
report
Sr5 Si3 was confirmed to be of the tetragonal Cr5 B3 -type and was found to melt congruently at 1150 ◦ C, just below the melting point of SrSi (1195 ◦ C) and above that of the β -SrSi2 phase (1120 ◦ C).
Phase transition1468.15 K1468.15congruent melting: L -> SrSi
L: Sr 0.5; SrSi: Sr 0.5
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 5, p. 5, row 15
report

Crystal structure (44)

Crystal structure, Si–Sr system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Lattice a8.141 Å0Sr2Si
alloy: Sr 0.666667
DFT[2] Garay 2009Table 1, p. 4, row 2
report
Lattice a7.843 Å0Sr2Si
alloy: Sr 0.666667
DFT[2] Garay 2009Table 1, p. 4, row 3
report
Lattice a8.111 ÅSr2Si
alloy: Sr 0.666667
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 1
report
Lattice a7.869 Å0Sr5Si3
alloy: Sr 0.625
DFT[2] Garay 2009Table 1, p. 4, row 6
report
Lattice a8.056 Å0Sr5Si3
alloy: Sr 0.625
DFT[2] Garay 2009Table 1, p. 4, row 5
report
Lattice a8.1 ÅSr5Si3
alloy: Sr 0.625
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 4
report
Lattice a4.814 ÅSrSi
alloy: Sr 0.5
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 7
report
Lattice a4.699 Å0SrSi
alloy: Sr 0.5
DFT[2] Garay 2009Table 1, p. 4, row 9
report
Lattice a4.816 Å0SrSi
alloy: Sr 0.5
DFT[2] Garay 2009Table 1, p. 4, row 8
report
Lattice a
printed: a
6.536 unknown ± 0.002α-Si2Sr
alloy: Sr 0.333333
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 13
report
Lattice a6.536 Å0α-SrSi2
alloy: Sr 0.333333
DFT[2] Garay 2009Table 1, p. 4, row 14
report
Lattice a6.536 Åα-SrSi2
alloy: Sr 0.333333
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 13
report
Lattice a6.436 Å0α-SrSi2
alloy: Sr 0.333333
DFT[2] Garay 2009Table 1, p. 4, row 15
report
Lattice a4.467 Å0β-SrSi2
alloy: Sr 0.333333
DFT[2] Garay 2009Table 1, p. 4, row 11
report
Lattice a4.429 Åβ-SrSi2
alloy: Sr 0.333333
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 10
report
Lattice a4.346 Å0β-SrSi2
alloy: Sr 0.333333
DFT[2] Garay 2009Table 1, p. 4, row 12
report
Lattice a
printed: lattice parameter a (printed 8.100(1))
8.1 unknown ± 0.001298.15Si3Sr5
alloy: Sr 0.625
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 4
report
Lattice a
printed: lattice parameter a (printed 4.814(1))
4.814 unknown ± 0.001298.15SiSr
alloy: Sr 0.5
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 7
report
Lattice a
printed: a
8.111 unknown ± 0.002298.15SiSr2
alloy: Sr 0.666667
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 1
report
Lattice a
printed: lattice parameter a (printed 4.439(1))
4.439 unknown ± 0.001298.15β-Si2Sr
alloy: Sr 0.333333
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 10
report
Lattice b5.134 Å0Sr2Si
alloy: Sr 0.666667
DFT[2] Garay 2009Table 1, p. 4, row 2
report
Lattice b5.027 Å0Sr2Si
alloy: Sr 0.666667
DFT[2] Garay 2009Table 1, p. 4, row 3
report
Lattice b5.132 ÅSr2Si
alloy: Sr 0.666667
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 1
report
Lattice b15.454 Å0Sr5Si3
alloy: Sr 0.625
DFT[2] Garay 2009Table 1, p. 4, row 6
report
Lattice b15.89 Å0Sr5Si3
alloy: Sr 0.625
DFT[2] Garay 2009Table 1, p. 4, row 5
report
Lattice b15.728 ÅSr5Si3
alloy: Sr 0.625
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 4
report
Lattice b11.288 ÅSrSi
alloy: Sr 0.5
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 7
report
Lattice b11.154 Å0SrSi
alloy: Sr 0.5
DFT[2] Garay 2009Table 1, p. 4, row 9
report
Lattice b11.39 Å0SrSi
alloy: Sr 0.5
DFT[2] Garay 2009Table 1, p. 4, row 8
report
Lattice b13.826 Å0β-SrSi2
alloy: Sr 0.333333
DFT[2] Garay 2009Table 1, p. 4, row 11
report
Lattice b13.842 Åβ-SrSi2
alloy: Sr 0.333333
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 10
report
Lattice b13.62 Å0β-SrSi2
alloy: Sr 0.333333
DFT[2] Garay 2009Table 1, p. 4, row 12
report
Lattice b
printed: lattice parameter b (printed 11.288(1))
11.288 unknown ± 0.001298.15SiSr
alloy: Sr 0.5
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 7
report
Lattice b
printed: lattice parameter b (printed 5.132(2))
5.132 unknown ± 0.002298.15SiSr2
alloy: Sr 0.666667
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 1
report
Lattice c9.611 Å0Sr2Si
alloy: Sr 0.666667
DFT[2] Garay 2009Table 1, p. 4, row 2
report
Lattice c9.379 Å0Sr2Si
alloy: Sr 0.666667
DFT[2] Garay 2009Table 1, p. 4, row 3
report
Lattice c9.545 ÅSr2Si
alloy: Sr 0.666667
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 1
report
Lattice c4.04 ÅSrSi
alloy: Sr 0.5
experimental[2] Garay 2009
cites Palenzona 2004 doi
Table 1, p. 4, row 7
report
Lattice c3.962 Å0SrSi
alloy: Sr 0.5
DFT[2] Garay 2009Table 1, p. 4, row 9
report
Lattice c4.049 Å0SrSi
alloy: Sr 0.5
DFT[2] Garay 2009Table 1, p. 4, row 8
report
Lattice c
printed: lattice parameter c (printed 15.728(2))
15.728 unknown ± 0.002298.15Si3Sr5
alloy: Sr 0.625
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 4
report
Lattice c
printed: c
4.04 unknown ± 0.001298.15SiSr
alloy: Sr 0.5
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 7
report
Lattice c
printed: lattice parameter c (printed 9.545(2))
9.545 unknown ± 0.002298.15SiSr2
alloy: Sr 0.666667
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 1
report
Lattice c
printed: lattice parameter c (printed 13.838(2))
13.838 unknown ± 0.002298.15β-Si2Sr
alloy: Sr 0.333333
experimental[1] Li 2011
cites Balducci 2006 doi
Table 2, p. 2, row 10
report

Sources

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

  1. Kai Li, Shuhong Liu, Chunsheng Sha, Yong Du, A thermodynamic reassessment of the Si–Sr system, Calphad 35, 594-600 (2011). doi:10.1016/j.calphad.2011.09.007
  2. Andres Garay, Gerardo Trápaga, Zi-Kui Liu, Raymundo Arróyave, Thermodynamic modeling of the Si–Sr system, Calphad 33, 550-556 (2009). doi:10.1016/j.calphad.2009.07.001