Co–Sn system

103 accepted literature values from 5 paper(s) (experimental 44, model 26, DFT 8, unspecified 25); 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 (13) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence classValues
experimental44
model26
DFT8
unspecified25
Accepted values by property group
Property groupValues
invariant reaction59
phase transition13
formation4
mixing / partial2
crystal structure24
other property1

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
CoSn-04Jia.tdbM. Jiang, J. Sato, I. Ohnuma, R. Kainuma, K. Ishida, Calphad, 28, 213-20(2004). doi:10.1016/j.calphad.2004.08.001a10dd23f7f82a2c4b350702200df9843093add7dc1c27c93fa549a506b42ec73viewer · TDB · JSON
CoSn-04Liu.tdbL. Liu, C. Andersson, J. Liu, J. Electron. Mater., 33, 935-39(2004). doi:10.1007/s11664-004-0019-861b66e699771d1e4f72f5000d03d3b5587b50b0e090827afb09e59ddc6d747e6viewer · TDB · JSON
CoSn-09Don.tdbH.Q. Dong, S. Jin, L.G. Zhang, J.S. Wang, X.M. Tao, H.S. Liu, Z.P. Jin, J. Electron. Mater., 38, 2158-69(2009). doi:10.1007/s11664-009-0874-4df75c146f15affdedc443ed8e0d8b7efa0336059081a52f8e66a16f06f0d74daviewer · TDB · JSON
CoSn-19Jed.tdbV. Jedlickova, A. Zemanova, A. Kroupa, J. Phase Equilib. Diffus., 40, 21-33(2019). doi:10.1007/s11669-018-0687-3a1f1c360881522fd9864e9ec1d70a04b0d7e1d46077beb244b5b600951c3e6a6viewer · TDB · JSON
Calculated three-phase invariants (model, mole fraction of the second component)
TDB fileT (K)Phases at the invariant
CoSn-04Jia.tdb1375.54FCC_A1 (x(Sn) 0.02715) + LIQUID (x(Sn) 0.22993) + CO3SN2_B82 (x(Sn) 0.38645)
CoSn-04Jia.tdb1238.17CO3SN2_B82 (x(Sn) 0.41738) + COSN_B35 (x(Sn) 0.5) + LIQUID (x(Sn) 0.76654)
CoSn-04Jia.tdb841.55COSN_B35 (x(Sn) 0.5) + COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.98288)
CoSn-04Jia.tdb841.55COSN_B35 (x(Sn) 0.5) + COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.98286)
CoSn-04Jia.tdb696.99FCC_A1 (x(Sn) 3.900e-4) + HCP_A3 (x(Sn) 6.100e-4) + CO3SN2_B82 (x(Sn) 0.4074)
CoSn-04Jia.tdb696.99FCC_A1 (x(Sn) 3.900e-4) + HCP_A3 (x(Sn) 6.100e-4) + CO3SN2_B82 (x(Sn) 0.4074)
CoSn-04Jia.tdb620.84COSN2_C16 (x(Sn) 0.66667) + COSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99777)
CoSn-04Jia.tdb620.84COSN2_C16 (x(Sn) 0.66667) + COSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99777)
CoSn-04Jia.tdb620.84COSN2_C16 (x(Sn) 0.66667) + COSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99776)
CoSn-04Jia.tdb504.96COSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99959) + BCT_A5 (x(Sn) 1)
CoSn-04Jia.tdb504.96COSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99959) + BCT_A5 (x(Sn) 1)
CoSn-04Liu.tdb1380.94FCC_A1 (x(Sn) 0.01978) + LIQUID (x(Sn) 0.22262) + CO3SN2_B82 (x(Sn) 0.4)
CoSn-04Liu.tdb1380.94FCC_A1 (x(Sn) 0.01978) + LIQUID (x(Sn) 0.22251) + CO3SN2_B82 (x(Sn) 0.4)
CoSn-04Liu.tdb1216.62CO3SN2_B82 (x(Sn) 0.4) + COSN_B35 (x(Sn) 0.5) + LIQUID (x(Sn) 0.78978)
CoSn-04Liu.tdb1216.62CO3SN2_B82 (x(Sn) 0.4) + COSN_B35 (x(Sn) 0.5) + LIQUID (x(Sn) 0.78998)
CoSn-04Liu.tdb840CO3SN2_B82 (x(Sn) 0.4) + CO3SN2_ALPHA (x(Sn) 0.4) + COSN_B35 (x(Sn) 0.5)
CoSn-04Liu.tdb840FCC_A1 (x(Sn) 6.000e-5) + CO3SN2_B82 (x(Sn) 0.4) + CO3SN2_ALPHA (x(Sn) 0.4)
CoSn-04Liu.tdb840FCC_A1 (x(Sn) 6.000e-5) + CO3SN2_ALPHA (x(Sn) 0.4) + CO3SN2_B82 (x(Sn) 0.4)
CoSn-04Liu.tdb797.29COSN_B35 (x(Sn) 0.5) + COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.95005)
CoSn-04Liu.tdb797.29COSN_B35 (x(Sn) 0.5) + COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.95)
CoSn-04Liu.tdb797.29COSN_B35 (x(Sn) 0.5) + COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.95008)
CoSn-04Liu.tdb694.94HCP_A3 (x(Sn) 0) + FCC_A1 (x(Sn) 1.000e-5) + CO3SN2_ALPHA (x(Sn) 0.4)
CoSn-04Liu.tdb694.94HCP_A3 (x(Sn) 0) + FCC_A1 (x(Sn) 1.000e-5) + CO3SN2_ALPHA (x(Sn) 0.4)
CoSn-04Liu.tdb501.01COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.98953) + BCT_A5 (x(Sn) 1)
CoSn-04Liu.tdb501.01COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.98964) + BCT_A5 (x(Sn) 1)
CoSn-04Liu.tdb501.01COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.98967) + BCT_A5 (x(Sn) 1)
CoSn-09Don.tdb1375.54FCC_A1 (x(Sn) 0.02715) + LIQUID (x(Sn) 0.22993) + CO3SN2_B82 (x(Sn) 0.38645)
CoSn-09Don.tdb1238.17CO3SN2_B82 (x(Sn) 0.41738) + COSN_B35 (x(Sn) 0.5) + LIQUID (x(Sn) 0.76654)
CoSn-09Don.tdb848.39COSN_B35 (x(Sn) 0.5) + COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.98213)
CoSn-09Don.tdb848.39COSN_B35 (x(Sn) 0.5) + COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.98213)
CoSn-09Don.tdb696.99FCC_A1 (x(Sn) 3.900e-4) + HCP_A3 (x(Sn) 6.100e-4) + CO3SN2_B82 (x(Sn) 0.4074)
CoSn-09Don.tdb696.99FCC_A1 (x(Sn) 3.900e-4) + HCP_A3 (x(Sn) 6.100e-4) + CO3SN2_B82 (x(Sn) 0.4074)
CoSn-09Don.tdb623.87COSN2_C16 (x(Sn) 0.66667) + COSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99802)
CoSn-09Don.tdb623.87COSN2_C16 (x(Sn) 0.66667) + COSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99802)
CoSn-09Don.tdb623.87COSN2_C16 (x(Sn) 0.66667) + COSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99802)
CoSn-09Don.tdb504.98COSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99968) + BCT_A5 (x(Sn) 1)
CoSn-09Don.tdb504.98COSN3 (x(Sn) 0.75) + LIQUID (x(Sn) 0.99968) + BCT_A5 (x(Sn) 1)
CoSn-19Jed.tdb1393.1FCC_A1 (x(Sn) 0.01957) + LIQUID (x(Sn) 0.2355) + CO3SN2_B82 (x(Sn) 0.39365)
CoSn-19Jed.tdb1240.16CO3SN2_B82 (x(Sn) 0.41337) + COSN_B35 (x(Sn) 0.5) + LIQUID (x(Sn) 0.70887)
CoSn-19Jed.tdb847.44FCC_A1 (x(Sn) 1.600e-4) + CO3SN2_ALPHA (x(Sn) 0.4) + CO3SN2_B82 (x(Sn) 0.4013)
CoSn-19Jed.tdb847.44FCC_A1 (x(Sn) 1.600e-4) + CO3SN2_ALPHA (x(Sn) 0.4) + CO3SN2_B82 (x(Sn) 0.4013)
CoSn-19Jed.tdb845.06COSN_B35 (x(Sn) 0.5) + COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.97276)
CoSn-19Jed.tdb845.06COSN_B35 (x(Sn) 0.5) + COSN2_C16 (x(Sn) 0.66667) + LIQUID (x(Sn) 0.97269)
CoSn-19Jed.tdb793.12CO3SN2_ALPHA (x(Sn) 0.4) + CO3SN2_B82 (x(Sn) 0.40796) + COSN_B35 (x(Sn) 0.5)
CoSn-19Jed.tdb695.1FCC_A1 (x(Sn) 2.000e-5) + HCP_A3 (x(Sn) 3.000e-5) + CO3SN2_ALPHA (x(Sn) 0.4)
CoSn-19Jed.tdb618.21COSN2_C16 (x(Sn) 0.66667) + COSN3_HT (x(Sn) 0.75) + LIQUID (x(Sn) 0.99757)
CoSn-19Jed.tdb618.2COSN2_C16 (x(Sn) 0.66667) + COSN3_HT (x(Sn) 0.75) + LIQUID (x(Sn) 0.99756)
CoSn-19Jed.tdb547.79COSN3_LT (x(Sn) 0.75) + COSN3_HT (x(Sn) 0.75) + LIQUID (x(Sn) 0.99911)
CoSn-19Jed.tdb547.79COSN2_C16 (x(Sn) 0.66667) + COSN3_HT (x(Sn) 0.75) + COSN3_LT (x(Sn) 0.75)
CoSn-19Jed.tdb547.79COSN3_HT (x(Sn) 0.75) + COSN3_LT (x(Sn) 0.75) + LIQUID (x(Sn) 0.99912)
CoSn-19Jed.tdb504.97COSN3_LT (x(Sn) 0.75) + LIQUID (x(Sn) 0.99965) + BCT_A5 (x(Sn) 1)
CoSn-19Jed.tdb504.97COSN3_LT (x(Sn) 0.75) + LIQUID (x(Sn) 0.99965) + BCT_A5 (x(Sn) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull CoSn-04Jia · CALPHAD hull CoSn-04Liu · CALPHAD hull CoSn-09Don

Invariant reactions (literature)

Invariant reactions reported in the literature for the Co–Sn system (59)
T (K)Reaction / phasesCompositions (mole fraction)ClassSourceLocationQuote
1472.15congruent melting: β-Co3Sn2 -> liq.β-Co3Sn2: Sn 0.399; L: Sn 0.399unspecified[1] Jedličková 2019
cites Bulanova 2015		Table 3, p. 11, row 2
report
1469.85congruent melting: β-Co3Sn2 -> liq.β-Co3Sn2: Sn 0.398; L: Sn 0.398model[1] Jedličková 2019Table 3, p. 11, row 1
report
1400.15eutectic: liq -> (α-Co) + β-Co3Sn2L: Sn 0.23; (α-Co): Sn 0.016; β-Co3Sn2: Sn 0.393unspecified[1] Jedličková 2019
cites Bulanova 2015		Table 3, p. 11, row 4
report
1398.15eutectic: L -> Co3Sn2_beta + FCCCo3Sn2_beta: Sn 0.4unspecified[2] Liu 2004
cites Okamato 1993		Table II, p. 3, row 15
report
1398.15eutectic: L -> (αCo) + βCo3Sn2βCo3Sn2: Sn 0.4experimental[3] Jiang 2004
cites Comert 1992 doi		Table 1, p. 3, row 5
report
1392.15eutectic: liq -> (α-Co) + β-Co3Sn2L: Sn 0.234; (α-Co): Sn 0.017; β-Co3Sn2: Sn 0.394model[1] Jedličková 2019Table 3, p. 11, row 3
report
1385.15eutectic: L -> (αCo) + βCo3Sn2βCo3Sn2: Sn 0.4experimental[3] Jiang 2004
cites Zemczuzny 1908 doi		Table 1, p. 3, row 2
report
1385.15eutectic: L -> (αCo) + βCo3Sn2βCo3Sn2: Sn 0.4experimental[3] Jiang 2004
cites Ishida 1991 doi		Table 1, p. 3, row 4
report
1385.15eutectic: L -> Co3Sn2_beta + FCCCo3Sn2_beta: Sn 0.4experimental[2] Liu 2004
cites Ishida 1991 doi		Table II, p. 3, row 14
report
1381.15eutectic: L -> Co3Sn2_beta + FCCCo3Sn2_beta: Sn 0.4model[2] Liu 2004Table II, p. 3, row 13
report
1381.15eutectic: L -> (αCo) + βCo3Sn2βCo3Sn2: Sn 0.4experimental[3] Jiang 2004
cites Hashimoto 1938		Table 1, p. 3, row 3
report
1376.15eutectic: L -> (αCo) + βCo3Sn2βCo3Sn2: Sn 0.4model[3] Jiang 2004Table 1, p. 3, row 6
report
1368.15eutectic: L -> (αCo) + βCo3Sn2βCo3Sn2: Sn 0.4experimental[3] Jiang 2004
cites Lewkonja 1908		Table 1, p. 3, row 1
report
1240.15peritectic: liq + β-Co3Sn2 -> CoSnL: Sn 0.729; β-Co3Sn2: Sn 0.418; CoSn: Sn 0.5unspecified[1] Jedličková 2019
cites Bulanova 2015		Table 3, p. 11, row 6
report
1240.15peritectic: liq + β-Co3Sn2 -> CoSnL: Sn 0.709; β-Co3Sn2: Sn 0.413; CoSn: Sn 0.5model[1] Jedličková 2019Table 3, p. 11, row 5
report
1239.15peritectic: L + βCo3Sn2 -> CoSnβCo3Sn2: Sn 0.4; CoSn: Sn 0.5experimental[3] Jiang 2004
cites Comert 1992 doi		Table 1, p. 3, row 13
report
1238.15peritectic: L + βCo3Sn2 -> CoSnβCo3Sn2: Sn 0.4; CoSn: Sn 0.5model[3] Jiang 2004Table 1, p. 3, row 14
report
1216.15L + Co3Sn2_beta -> CoSnCo3Sn2_beta: Sn 0.4; CoSn: Sn 0.5model[2] Liu 2004Table II, p. 3, row 7
report
1214.15peritectic: L + βCo3Sn2 -> CoSnβCo3Sn2: Sn 0.4; CoSn: Sn 0.5experimental[3] Jiang 2004
cites Lewkonja 1908		Table 1, p. 3, row 10
report
1209.15L + Co3Sn2_beta -> CoSnCo3Sn2_beta: Sn 0.4; CoSn: Sn 0.5unspecified[2] Liu 2004
cites Okamato 1993		Table II, p. 3, row 9
report
1209.15L + Co3Sn2_beta -> CoSnCo3Sn2_beta: Sn 0.4; CoSn: Sn 0.5experimental[2] Liu 2004
cites Ishida 1991 doi		Table II, p. 3, row 8
report
1209.15peritectic: L + βCo3Sn2 -> CoSnβCo3Sn2: Sn 0.4; CoSn: Sn 0.5experimental[3] Jiang 2004
cites Ishida 1991 doi		Table 1, p. 3, row 12
report
1200.15peritectic: L + βCo3Sn2 -> CoSnβCo3Sn2: Sn 0.4; CoSn: Sn 0.5experimental[3] Jiang 2004
cites Zemczuzny 1908 doi		Table 1, p. 3, row 11
report
847.35peritectic: (α-Co) + β-Co3Sn2 -> α-Co3Sn2β-Co3Sn2: Sn 0.401; α-Co3Sn2: Sn 0.4model[1] Jedličková 2019Table 3, p. 11, row 7
report
845.15peritectic: liq + CoSn -> CoSn2L: Sn 0.959; CoSn: Sn 0.5; CoSn2: Sn 0.667unspecified[1] Jedličková 2019
cites Bulanova 2015		Table 3, p. 11, row 10
report
845.05peritectic: liq + CoSn -> CoSn2L: Sn 0.973; CoSn: Sn 0.5; CoSn2: Sn 0.667model[1] Jedličková 2019Table 3, p. 11, row 9
report
844.15peritectic: L + CoSn -> CoSn2CoSn: Sn 0.5; CoSn2: Sn 0.666667experimental[3] Jiang 2004
cites Lang 1996		Table 1, p. 3, row 23
report
843.15peritectic: L + CoSn -> CoSn2CoSn: Sn 0.5; CoSn2: Sn 0.666667model[3] Jiang 2004Table 1, p. 3, row 24
report
826.15peritectic: (α-Co) + β-Co3Sn2 -> α-Co3Sn2(α-Co): Sn 0.008; β-Co3Sn2: Sn 0.406; α-Co3Sn2: Sn 0.397unspecified[1] Jedličková 2019
cites Bulanova 2015		Table 3, p. 11, row 8
report
823.15peritectic: L + CoSn -> CoSn2CoSn: Sn 0.5; CoSn2: Sn 0.666667experimental[3] Jiang 2004
cites Comert 1992 doi		Table 1, p. 3, row 22
report
798.15peritectic: L + CoSn -> CoSn2CoSn: Sn 0.5; CoSn2: Sn 0.666667experimental[3] Jiang 2004
cites Matveyeva 1968		Table 1, p. 3, row 20
report
798.15L + CoSn -> CoSn2CoSn: Sn 0.5; CoSn2: Sn 0.666667model[2] Liu 2004Table II, p. 3, row 4
report
798.15L + CoSn -> CoSn2CoSn: Sn 0.5; CoSn2: Sn 0.666667experimental[2] Liu 2004
cites Ishida 1991 doi		Table II, p. 3, row 5
report
798.15peritectic: L + CoSn -> CoSn2CoSn: Sn 0.5; CoSn2: Sn 0.666667experimental[3] Jiang 2004
cites Ishida 1991 doi		Table 1, p. 3, row 21
report
798.15L + CoSn -> CoSn2CoSn: Sn 0.5; CoSn2: Sn 0.666667unspecified[2] Liu 2004
cites Okamato 1993		Table II, p. 3, row 6
report
793.15peritectic: L + CoSn -> CoSn2CoSn: Sn 0.5; CoSn2: Sn 0.666667experimental[3] Jiang 2004
cites Lewkonja 1908		Table 1, p. 3, row 18
report
793.15eutectic: β-Co3Sn2 -> α-Co3Sn2 + CoSnβ-Co3Sn2: Sn 0.411; α-Co3Sn2: Sn 0.399; CoSn: Sn 0.5unspecified[1] Jedličková 2019
cites Bulanova 2015		Table 3, p. 11, row 12
report
793.05eutectic: β-Co3Sn2 -> α-Co3Sn2 + CoSnβ-Co3Sn2: Sn 0.408; α-Co3Sn2: Sn 0.4; CoSn: Sn 0.5model[1] Jedličková 2019Table 3, p. 11, row 11
report
788.15peritectic: L + CoSn -> CoSn2CoSn: Sn 0.5; CoSn2: Sn 0.666667experimental[3] Jiang 2004
cites Zemczuzny 1908 doi		Table 1, p. 3, row 19
report
695.15eutectoid: (αCo) -> (εCo) + αCo3Sn2αCo3Sn2: Sn 0.4model[3] Jiang 2004Table 1, p. 3, row 27
report
694.95eutectic: (α-Co) -> (ε-Co) + α-Co3Sn2α-Co3Sn2: Sn 0.4model[1] Jedličková 2019Table 3, p. 11, row 13
report
694.15eutectoid: (αCo) -> (εCo) + αCo3Sn2αCo3Sn2: Sn 0.4experimental[3] Jiang 2004
cites Comert 1992 doi		Table 1, p. 3, row 26
report
693.15eutectic: (α-Co) -> (ε-Co) + α-Co3Sn2(α-Co): Sn 0.028; (ε-Co): Sn 0.0035; α-Co3Sn2: Sn 0.397unspecified[1] Jedličková 2019
cites Bulanova 2015		Table 3, p. 11, row 14
report
693.15eutectoid: (αCo) -> (εCo) + αCo3Sn2αCo3Sn2: Sn 0.4experimental[3] Jiang 2004
cites Ishida 1991 doi		Table 1, p. 3, row 25
report
618.25peritectic: liq + CoSn2 -> β-CoSn3L: Sn 0.998; CoSn2: Sn 0.667; β-CoSn3: Sn 0.75model[1] Jedličková 2019Table 3, p. 11, row 15
report
618.15peritectic: liq + CoSn2 -> β-CoSn3L: Sn 0.996; CoSn2: Sn 0.667; β-CoSn3: Sn 0.75unspecified[1] Jedličková 2019
cites Bulanova 2015		Table 3, p. 11, row 16
report
618.15peritectic: L + CoSn2 -> βCoSn3CoSn2: Sn 0.666667; βCoSn3: Sn 0.75experimental[3] Jiang 2004
cites Lang 1996		Table 1, p. 3, row 28
report
618.15peritectic: L + CoSn2 -> βCoSn3CoSn2: Sn 0.666667; βCoSn3: Sn 0.75model[3] Jiang 2004Table 1, p. 3, row 29
report
548.15liq + β-CoSn3 -> α-CoSn3L: Sn 0.999; β-CoSn3: Sn 0.25; α-CoSn3: Sn 0.25unspecified[1] Jedličková 2019
cites Bulanova 2015		Table 3, p. 11, row 18
report
548.15β-CoSn3 -> α-CoSn3 + CoSn2β-CoSn3: Sn 0.25; α-CoSn3: Sn 0.25; CoSn2: Sn 0.667unspecified[1] Jedličková 2019
cites Bulanova 2015		Table 3, p. 11, row 20
report
547.75β-CoSn3 -> α-CoSn3 + CoSn2β-CoSn3: Sn 0.25; α-CoSn3: Sn 0.25; CoSn2: Sn 0.667model[1] Jedličková 2019Table 3, p. 11, row 19
report
547.75liq + β-CoSn3 -> α-CoSn3L: Sn 0.999; β-CoSn3: Sn 0.25; α-CoSn3: Sn 0.25model[1] Jedličková 2019Table 3, p. 11, row 17
report
505.15eutectic: L -> αCoSn3 + (βSn)αCoSn3: Sn 0.75; (βSn): Sn 1model[3] Jiang 2004Table 1, p. 3, row 35
report
502.15eutectic: L -> αCoSn3 + (βSn)αCoSn3: Sn 0.75; (βSn): Sn 1experimental[3] Jiang 2004
cites Ishida 1991 doi		Table 1, p. 3, row 34
report
502.15eutectic: L -> CoSn2 + (Sn)CoSn2: Sn 0.666667; (Sn): Sn 1unspecified[2] Liu 2004
cites Okamato 1993		Table II, p. 3, row 3
report
502.15eutectic: L -> αCoSn3 + (βSn)αCoSn3: Sn 0.75; (βSn): Sn 1experimental[3] Jiang 2004
cites Lewkonja 1908		Table 1, p. 3, row 32
report
502.15eutectic: L -> CoSn2 + (Sn)CoSn2: Sn 0.666667; (Sn): Sn 1model[2] Liu 2004Table II, p. 3, row 1
report
502.15eutectic: L -> αCoSn3 + (βSn)αCoSn3: Sn 0.75; (βSn): Sn 1experimental[3] Jiang 2004
cites Zemczuzny 1908 doi		Table 1, p. 3, row 33
report
502.15eutectic: L -> CoSn2 + (Sn)CoSn2: Sn 0.666667; (Sn): Sn 1experimental[2] Liu 2004
cites Ishida 1991 doi		Table II, p. 3, row 2
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, Co–Sn system (4)
PhaseCompoundValueT (K)ClassMP DFT (kJ/mol-atom)OQMD DFT (kJ/mol-atom)SourceLocationQuote
AuSn4-7.2 kJ/mol (basis unstated)10model[4] Dong 2009Table II, p. 4, row 10
report
AuSn4-7.19 kJ/mol (basis unstated)0DFT[4] Dong 2009Table II, p. 4, row 9
report
NiAs-type CoSn-3.82 kJ/mol (basis unstated)0DFT[4] Dong 2009Table II, p. 4, row 1
report
NiAs-type CoSn-3.75 kJ/mol (basis unstated)10model[4] Dong 2009Table II, p. 4, row 2
report

Other properties

Phase transition (13)

Phase transition, Co–Sn system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Phase transition548.15 K548.15polymorphic: βCoSn3 -> αCoSn3
βCoSn3: Sn 0.75; αCoSn3: Sn 0.75		experimental[3] Jiang 2004
cites Lang 1996		Table 1, p. 3, row 30
report
Phase transition773.15 K773.15Co3Sn2_beta -> Co3Sn2_alfa
Co3Sn2_beta: Sn 0.4; Co3Sn2_alfa: Sn 0.4		experimental[2] Liu 2004
cites Ishida 1991 doi		Table II, p. 3, row 17
report
Phase transition773.15 K773.15polymorphic: βCo3Sn2 -> αCo3Sn2
βCo3Sn2: Sn 0.4; αCo3Sn2: Sn 0.4		experimental[3] Jiang 2004
cites Ishida 1991 doi		Table 1, p. 3, row 15
report
Phase transition836.15 K836.15polymorphic: βCo3Sn2 -> αCo3Sn2
βCo3Sn2: Sn 0.4; αCo3Sn2: Sn 0.4		model[3] Jiang 2004Table 1, p. 3, row 17
report
Phase transition840.15 K840.15Co3Sn2_beta -> Co3Sn2_alfa
Co3Sn2_beta: Sn 0.4; Co3Sn2_alfa: Sn 0.4		unspecified[2] Liu 2004
cites Okamato 1993		Table II, p. 3, row 18
report
Phase transition840.15 K840.15Co3Sn2_beta -> Co3Sn2_alfa
Co3Sn2_beta: Sn 0.4; Co3Sn2_alfa: Sn 0.4		model[2] Liu 2004Table II, p. 3, row 16
report
Phase transition840.15 K840.15polymorphic: βCo3Sn2 -> αCo3Sn2
βCo3Sn2: Sn 0.4; αCo3Sn2: Sn 0.4		experimental[3] Jiang 2004
cites Comert 1992 doi		Table 1, p. 3, row 16
report
Phase transition1443.15 K1443.15L -> Co3Sn2_beta
L: Sn 0.4; Co3Sn2_beta: Sn 0.4		experimental[2] Liu 2004
cites Ishida 1991 doi		Table II, p. 3, row 11
report
Phase transition1443.15 K1443.15congruent melting: L -> βCo3Sn2
L: Sn 0.4; βCo3Sn2: Sn 0.4		experimental[3] Jiang 2004
cites Ishida 1991 doi		Table 1, p. 3, row 7
report
Phase transition1454.15 K1454.15congruent melting: L -> βCo3Sn2
L: Sn 0.4; βCo3Sn2: Sn 0.4		model[3] Jiang 2004Table 1, p. 3, row 9
report
Phase transition1472.15 K1472.15L -> Co3Sn2_beta
L: Sn 0.4; Co3Sn2_beta: Sn 0.4		model[2] Liu 2004Table II, p. 3, row 10
report
Phase transition1473.15 K1473.15L -> Co3Sn2_beta
L: Sn 0.4; Co3Sn2_beta: Sn 0.4		unspecified[2] Liu 2004
cites Okamato 1993		Table II, p. 3, row 12
report
Phase transition1473.15 K1473.15congruent melting: L -> βCo3Sn2
L: Sn 0.4; βCo3Sn2: Sn 0.4		experimental[3] Jiang 2004
cites Comert 1992 doi		Table 1, p. 3, row 8
report

Mixing / partial (2)

Mixing / partial, Co–Sn system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Partial enthalpy
printed: partial mixing enthalpy		11.96 kJ/mol-atom874experimental[3] Jiang 2004
cites Torgersen 2000 doi		p. 3
report		By using drop calorimetry, Torgersen et al. [28] determined the partial mixing enthalpy of Co in infinite dilute Sn melt at 874 and 1173 K. With solid Co at 298 K as reference state, the value is 11.96 kJ/mol-atoms at 874 K and 32 kJ/mol-atoms at 1173 K.
Partial enthalpy
printed: partial mixing enthalpy		32 kJ/mol-atom1173experimental[3] Jiang 2004
cites Torgersen 2000 doi		p. 3
report		By using drop calorimetry, Torgersen et al. [28] determined the partial mixing enthalpy of Co in infinite dilute Sn melt at 874 and 1173 K. With solid Co at 298 K as reference state, the value is 11.96 kJ/mol-atoms at 874 K and 32 kJ/mol-atoms at 1173 K.

Crystal structure (24)

Crystal structure, Co–Sn system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Lattice a
printed: a		3.362 Å0NiAs-type CoSn
alloy: Co 0.5, Sn 0.5		DFT[4] Dong 2009Table II, p. 4, row 1
report
Lattice a
printed: a		6.051 Å0PdSn4 type, AuSn4
alloy: Co 0, Sn 0.8		DFT[4] Dong 2009Table II, p. 4, row 9
report
Lattice a5.234 Å298.15CoSn
alloy: Co 0.5, Sn 0.5		unspecified[5] Hu 2022
cites Mikhaylushkin 2008 doi		Table 1, p. 3, row 3
report
Lattice a6.361 Å298.15CoSn2
alloy: Co 0.333333, Sn 0.666667		experimental[5] Hu 2022
cites Armbruster 2007		Table 1, p. 3, row 4
report
Lattice a7.085 Å298.15αCo3Sn2
alloy: Co 0.6, Sn 0.4		unspecified[5] Hu 2022
cites Fjellvag 1986 doi		Table 1, p. 3, row 1
report
Lattice a16.864 Å298.15αCoSn3
alloy: Co 0.25, Sn 0.75		experimental[5] Hu 2022
cites Lang 1996		Table 1, p. 3, row 5
report
Lattice a4.162 Å298.15βCo3Sn2
alloy: Co 0.6, Sn 0.4		unspecified[5] Hu 2022
cites Fjellvag 1986 doi		Table 1, p. 3, row 2
report
Lattice a6.275 Å298.15βCoSn3
alloy: Co 0.25, Sn 0.75		experimental[5] Hu 2022
cites Lang 1996		Table 1, p. 3, row 6
report
Lattice b
printed: b		1.94 Å0NiAs-type CoSn
alloy: Co 0.5, Sn 0.5		DFT[4] Dong 2009Table II, p. 4, row 1
report
Lattice b
printed: b		3.032 Å0PdSn4 type, AuSn4
alloy: Co 0, Sn 0.8		DFT[4] Dong 2009Table II, p. 4, row 9
report
Lattice b5.234 Å298.15CoSn
alloy: Co 0.5, Sn 0.5		unspecified[5] Hu 2022
cites Mikhaylushkin 2008 doi		Table 1, p. 3, row 3
report
Lattice b6.361 Å298.15CoSn2
alloy: Co 0.333333, Sn 0.666667		experimental[5] Hu 2022
cites Armbruster 2007		Table 1, p. 3, row 4
report
Lattice b5.216 Å298.15αCo3Sn2
alloy: Co 0.6, Sn 0.4		unspecified[5] Hu 2022
cites Fjellvag 1986 doi		Table 1, p. 3, row 1
report
Lattice b6.268 Å298.15αCoSn3
alloy: Co 0.25, Sn 0.75		experimental[5] Hu 2022
cites Lang 1996		Table 1, p. 3, row 5
report
Lattice b4.162 Å298.15βCo3Sn2
alloy: Co 0.6, Sn 0.4		unspecified[5] Hu 2022
cites Fjellvag 1986 doi		Table 1, p. 3, row 2
report
Lattice b6.275 Å298.15βCoSn3
alloy: Co 0.25, Sn 0.75		experimental[5] Hu 2022
cites Lang 1996		Table 1, p. 3, row 6
report
Lattice c
printed: c		5.258 Å0NiAs-type CoSn
alloy: Co 0.5, Sn 0.5		DFT[4] Dong 2009Table II, p. 4, row 1
report
Lattice c
printed: c		5.98 Å0PdSn4 type, AuSn4
alloy: Co 0, Sn 0.8		DFT[4] Dong 2009Table II, p. 4, row 9
report
Lattice c4.166 Å298.15CoSn
alloy: Co 0.5, Sn 0.5		unspecified[5] Hu 2022
cites Mikhaylushkin 2008 doi		Table 1, p. 3, row 3
report
Lattice c5.458 Å298.15CoSn2
alloy: Co 0.333333, Sn 0.666667		experimental[5] Hu 2022
cites Armbruster 2007		Table 1, p. 3, row 4
report
Lattice c8.194 Å298.15αCo3Sn2
alloy: Co 0.6, Sn 0.4		unspecified[5] Hu 2022
cites Fjellvag 1986 doi		Table 1, p. 3, row 1
report
Lattice c6.27 Å298.15αCoSn3
alloy: Co 0.25, Sn 0.75		experimental[5] Hu 2022
cites Lang 1996		Table 1, p. 3, row 5
report
Lattice c5.233 Å298.15βCo3Sn2
alloy: Co 0.6, Sn 0.4		unspecified[5] Hu 2022
cites Fjellvag 1986 doi		Table 1, p. 3, row 2
report
Lattice c33.742 Å298.15βCoSn3
alloy: Co 0.25, Sn 0.75		experimental[5] Hu 2022
cites Lang 1996		Table 1, p. 3, row 6
report

Other property (1)

Other property, Co–Sn system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Other
printed: enthalpy difference		12.5 unspecified ± 1.3618.15experimental[3] Jiang 2004
cites Lang 1996		p. 2
report		Their DTA and DSC measurements further show that the reaction L + CoSn2 ↔ βCoSn3 happens at 345 ± 2 ◦ C with enthalpy difference 12.5 ± 1.3 kJ/mol-atoms, while the transition βCoSn3 ↔ αCoSn3 is at 275 ± 5 ◦ C.

Sources

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

  1. V. Jedličková, A. Zemanová, A. Kroupa, The Thermodynamic Assessment of the Co-Sn System, J. Phase Equilib. Diffus. 40, 21-33 (2019). doi:10.1007/s11669-018-0687-3
  2. Libin Liu, Cristina Andersson, Johan Liu, Thermodynamic assessment of the Sn-Co lead-free solder system, Journal of Elec Materi 33, 935-939 (2004). doi:10.1007/s11664-004-0019-8
  3. M. Jiang, J. Sato, I. Ohnuma, R. Kainuma, K. Ishida, A thermodynamic assessment of the Co–Sn system, Calphad 28, 213-220 (2004). doi:10.1016/j.calphad.2004.08.001
  4. H. Q. Dong, S. Jin, L. G. Zhang, J. S. Wang, X. M. Tao, H. S. Liu et al., Thermodynamic Assessment of the Au-Co-Sn Ternary System, Journal of Elec Materi 38, 2158-2169 (2009). doi:10.1007/s11664-009-0874-4
  5. Jingxian Hu, Na Su, Xinming Wang, Fucheng Yin, Xuemei Ouyang, Experimental investigation and thermodynamic calculation of the Co–Sn–Bi ternary system, Calphad 77, 102404 (2022). doi:10.1016/j.calphad.2022.102404