Ru–Sm system
86 accepted literature values from 1 paper(s) (model 66, DFT 10, unspecified 10); 1 calculated phase diagram(s).
Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (9) · papers (bibliography) · Markdown
| Evidence class | Values |
|---|---|
| model | 66 |
| DFT | 10 |
| unspecified | 10 |
| Property group | Values |
|---|---|
| formation | 80 |
| crystal structure | 6 |
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.
| TDB file | Assessment | SHA-256 | Links |
|---|---|---|---|
| RuSm-23Kar.tdb | S. Kardellass, C. Corvalan-Moya, V.P. Vassiliev, J. Phase Equilib. Diffus., 44, 300-23(2023). doi:10.1007/s11669-023-01043-1 | a4c9d51d324b0c371c9957f7a23a704798167ea31d715adddf2e19896ba1a2ab | viewer · TDB · JSON |
| TDB file | T (K) | Phases at the invariant |
|---|---|---|
| RuSm-23Kar.tdb | 2001.11 | HCP_A3 (x(Sm) 0.00164) + LIQUID (x(Sm) 0.20333) + RU2SM_C15 (x(Sm) 0.33333) |
| RuSm-23Kar.tdb | 2001.11 | HCP_A3 (x(Sm) 0.00164) + LIQUID (x(Sm) 0.20326) + RU2SM_C15 (x(Sm) 0.33333) |
| RuSm-23Kar.tdb | 1344.99 | RU2SM_C15 (x(Sm) 0.33333) + BCC_A2 (x(Sm) 1) + LIQUID (x(Sm) 1) |
| RuSm-23Kar.tdb | 1210.37 | RU2SM_C15 (x(Sm) 0.33333) + RU25SM44 (x(Sm) 0.63768) + LIQUID (x(Sm) 0.65642) |
| RuSm-23Kar.tdb | 1210.37 | RU2SM_C15 (x(Sm) 0.33333) + RU25SM44 (x(Sm) 0.63768) + LIQUID (x(Sm) 0.65624) |
| RuSm-23Kar.tdb | 1205.2 | RU25SM44 (x(Sm) 0.63768) + LIQUID (x(Sm) 0.66688) + RU2SM5 (x(Sm) 0.71429) |
| RuSm-23Kar.tdb | 1205.2 | RU25SM44 (x(Sm) 0.63768) + LIQUID (x(Sm) 0.667) + RU2SM5 (x(Sm) 0.71429) |
| RuSm-23Kar.tdb | 1205.2 | RU25SM44 (x(Sm) 0.63768) + LIQUID (x(Sm) 0.6666) + RU2SM5 (x(Sm) 0.71429) |
| RuSm-23Kar.tdb | 1195.12 | LIQUID (x(Sm) 0.93253) + HCP_A3 (x(Sm) 0.99996) + BCC_A2 (x(Sm) 0.99999) |
| RuSm-23Kar.tdb | 1195.12 | LIQUID (x(Sm) 0.93256) + HCP_A3 (x(Sm) 0.99996) + BCC_A2 (x(Sm) 0.99999) |
| RuSm-23Kar.tdb | 1194.35 | RU2SM5 (x(Sm) 0.71429) + RUSM3_D011 (x(Sm) 0.75) + LIQUID (x(Sm) 0.77297) |
| RuSm-23Kar.tdb | 1194.34 | RU2SM5 (x(Sm) 0.71429) + RUSM3_D011 (x(Sm) 0.75) + LIQUID (x(Sm) 0.77318) |
| RuSm-23Kar.tdb | 1048.98 | RUSM3_D011 (x(Sm) 0.75) + LIQUID (x(Sm) 0.87525) + HCP_A3 (x(Sm) 0.99994) |
| RuSm-23Kar.tdb | 1048.98 | RUSM3_D011 (x(Sm) 0.75) + LIQUID (x(Sm) 0.87534) + HCP_A3 (x(Sm) 0.99994) |
| RuSm-23Kar.tdb | 1002.51 | RUSM3_D011 (x(Sm) 0.75) + HCP_A3 (x(Sm) 0.99996) + RHOMB_C19 (x(Sm) 1) |
| RuSm-23Kar.tdb | 1002.51 | RUSM3_D011 (x(Sm) 0.75) + HCP_A3 (x(Sm) 0.99996) + RHOMB_C19 (x(Sm) 1) |
| RuSm-23Kar.tdb | 1002.51 | RUSM3_D011 (x(Sm) 0.75) + HCP_A3 (x(Sm) 0.99996) + RHOMB_C19 (x(Sm) 1) |
Convex hulls: Materials Project DFT hull · OQMD DFT hull
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.
| Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote |
|---|---|---|---|---|---|---|---|---|---|
| Ln3Ru | -37.5761 kJ/mol-atom | model | [1] Kardellass 2023 | Table 3, p. 9, row 13 report | |||||
| Ln3Ru | -26.5979 kJ/mol-atom | model | [1] Kardellass 2023 cites De 2014 | Table 3, p. 9, row 16 report | |||||
| Ln3Ru | -23.2407 kJ/mol-atom | model | [1] Kardellass 2023 cites Zhang 2007 doi | Table 3, p. 9, row 17 report | |||||
| Ln3Ru | -23.031 kJ/mol-atom | DFT | [1] Kardellass 2023 cites Ceder 2010 | Table 3, p. 9, row 18 report | |||||
| Ln3Ru | -22.261 kJ/mol-atom | DFT | [1] Kardellass 2023 cites Kirklin 2015 doi | Table 3, p. 9, row 19 report | |||||
| Ln3Ru | -21.4787 kJ/mol-atom | model | [1] Kardellass 2023 | Table 3, p. 9, row 15 report | |||||
| Ln3Ru | -21.3059 kJ/mol-atom | model | [1] Kardellass 2023 | Table 3, p. 9, row 14 report | |||||
| LnRu2 | -66.9039 kJ/mol-atom | model | [1] Kardellass 2023 | Table 3, p. 9, row 69 report | |||||
| LnRu2 | -45.7907 kJ/mol-atom | model | [1] Kardellass 2023 cites De 2014 | Table 3, p. 9, row 72 report | |||||
| LnRu2 | -36.702 kJ/mol-atom | model | [1] Kardellass 2023 | Table 3, p. 9, row 70 report | |||||
| LnRu2 | -36.0316 kJ/mol-atom | model | [1] Kardellass 2023 cites Zhang 2007 doi | Table 3, p. 9, row 73 report | |||||
| LnRu2 | -34.0161 kJ/mol-atom | model | [1] Kardellass 2023 | Table 3, p. 9, row 71 report | |||||
| LnRu2 | -21.297 kJ/mol-atom | unspecified | [1] Kardellass 2023 | Table 3, p. 9, row 75 report | |||||
| LnRu2 | -20.044 kJ/mol-atom | unspecified | [1] Kardellass 2023 | Table 3, p. 9, row 77 report | |||||
| LnRu2 | -19.177 kJ/mol-atom | DFT | [1] Kardellass 2023 cites Ceder 2010 | Table 3, p. 9, row 74 report | |||||
| LnRu2 | -17.828 kJ/mol-atom | DFT | [1] Kardellass 2023 cites Oses 2018 doi | Table 3, p. 9, row 76 report | |||||
| Sm3Ru | RuSm3 | -37.5761 kJ/mol-atom | model | -23.003 (mp-aaacpppd) | -22.27 (oqmd-1437305) | [1] Kardellass 2023 | Table 3, p. 9, row 13 report | ||
| Sm3Ru | RuSm3 | -26.5979 kJ/mol-atom | model | -23.003 (mp-aaacpppd) | -22.27 (oqmd-1437305) | [1] Kardellass 2023 cites De 2014 | Table 3, p. 9, row 16 report | ||
| Sm3Ru | RuSm3 | -23.2407 kJ/mol-atom | model | -23.003 (mp-aaacpppd) | -22.27 (oqmd-1437305) | [1] Kardellass 2023 cites Zhang 2007 doi | Table 3, p. 9, row 17 report | ||
| Sm3Ru | -23.031 kJ/mol-atom | DFT | [1] Kardellass 2023 cites Ceder 2010 | Table 3, p. 9, row 18 report | |||||
| Sm3Ru | -22.261 kJ/mol-atom | 0 | DFT | [1] Kardellass 2023 cites Kirklin 2015 doi | Table 3, p. 9, row 19 report | ||||
| Sm3Ru | RuSm3 | -21.4787 kJ/mol-atom | model | -23.003 (mp-aaacpppd) | -22.27 (oqmd-1437305) | [1] Kardellass 2023 | Table 3, p. 9, row 15 report | ||
| Sm3Ru | RuSm3 | -21.3059 kJ/mol-atom | model | -23.003 (mp-aaacpppd) | -22.27 (oqmd-1437305) | [1] Kardellass 2023 | Table 3, p. 9, row 14 report | ||
| Sm44Ru25 | -45.3075 kJ/mol-atom | model | [1] Kardellass 2023 | Table 3, p. 9, row 85 report | |||||
| Sm44Ru25 | -38.4054 kJ/mol-atom | model | [1] Kardellass 2023 cites De 2014 | Table 3, p. 9, row 88 report | |||||
| Sm44Ru25 | -30.9578 kJ/mol-atom | model | [1] Kardellass 2023 cites Zhang 2007 doi | Table 3, p. 9, row 89 report | |||||
| Sm44Ru25 | -26.291 kJ/mol-atom | model | [1] Kardellass 2023 | Table 3, p. 9, row 86 report | |||||
| Sm44Ru25 | -25.8035 kJ/mol-atom | model | [1] Kardellass 2023 | Table 3, p. 9, row 87 report | |||||
| Sm5Ru2 | Ru2Sm5 | -39.9781 kJ/mol-atom | model | -25.912 (mp-aaackvjr) | -25.094 (oqmd-1484187) | [1] Kardellass 2023 | Table 3, p. 9, row 78 report | ||
| Sm5Ru2 | Ru2Sm5 | -30.4526 kJ/mol-atom | model | -25.912 (mp-aaackvjr) | -25.094 (oqmd-1484187) | [1] Kardellass 2023 cites De 2014 | Table 3, p. 9, row 81 report | ||
| Sm5Ru2 | Ru2Sm5 | -25.9792 kJ/mol-atom | model | -25.912 (mp-aaackvjr) | -25.094 (oqmd-1484187) | [1] Kardellass 2023 cites Zhang 2007 doi | Table 3, p. 9, row 82 report | ||
| Sm5Ru2 | -25.922 kJ/mol-atom | DFT | [1] Kardellass 2023 cites Ceder 2010 | Table 3, p. 9, row 83 report | |||||
| Sm5Ru2 | -25.055 kJ/mol-atom | 0 | DFT | [1] Kardellass 2023 cites Kirklin 2015 doi | Table 3, p. 9, row 84 report | ||||
| Sm5Ru2 | Ru2Sm5 | -23.4727 kJ/mol-atom | model | -25.912 (mp-aaackvjr) | -25.094 (oqmd-1484187) | [1] Kardellass 2023 | Table 3, p. 9, row 79 report | ||
| Sm5Ru2 | Ru2Sm5 | -23.457 kJ/mol-atom | model | -25.912 (mp-aaackvjr) | -25.094 (oqmd-1484187) | [1] Kardellass 2023 | Table 3, p. 9, row 80 report | ||
| SmRu2 | Ru2Sm | -66.9039 kJ/mol-atom | model | -21.247 (mp-aaacksvm) | -20.066 (oqmd-1375455) | [1] Kardellass 2023 | Table 3, p. 9, row 69 report | ||
| SmRu2 | Ru2Sm | -45.7907 kJ/mol-atom | model | -21.247 (mp-aaacksvm) | -20.066 (oqmd-1375455) | [1] Kardellass 2023 cites De 2014 | Table 3, p. 9, row 72 report | ||
| SmRu2 | Ru2Sm | -36.702 kJ/mol-atom | model | -21.247 (mp-aaacksvm) | -20.066 (oqmd-1375455) | [1] Kardellass 2023 | Table 3, p. 9, row 70 report | ||
| SmRu2 | Ru2Sm | -36.0316 kJ/mol-atom | model | -21.247 (mp-aaacksvm) | -20.066 (oqmd-1375455) | [1] Kardellass 2023 cites Zhang 2007 doi | Table 3, p. 9, row 73 report | ||
| SmRu2 | Ru2Sm | -34.0161 kJ/mol-atom | model | -21.247 (mp-aaacksvm) | -20.066 (oqmd-1375455) | [1] Kardellass 2023 | Table 3, p. 9, row 71 report | ||
| SmRu2 | Ru2Sm | -21.297 kJ/mol-atom | unspecified | -21.247 (mp-aaacksvm) | -20.066 (oqmd-1375455) | [1] Kardellass 2023 | Table 3, p. 9, row 75 report | ||
| SmRu2 | Ru2Sm | -20.044 kJ/mol-atom | unspecified | -21.247 (mp-aaacksvm) | -20.066 (oqmd-1375455) | [1] Kardellass 2023 | Table 3, p. 9, row 77 report | ||
| SmRu2 | -19.177 kJ/mol-atom | DFT | [1] Kardellass 2023 cites Ceder 2010 | Table 3, p. 9, row 74 report | |||||
| SmRu2 | -17.828 kJ/mol-atom | DFT | [1] Kardellass 2023 cites Oses 2018 doi | Table 3, p. 9, row 76 report |
Other properties
Formation (36)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Entropy of formation printed: ΔSf | -0.03663 J/mol-atom/K | Ln3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 15 report | ||
| Entropy of formation printed: ΔSf | -0.06146 J/mol-atom/K | Ln3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 14 report | ||
| Entropy of formation printed: ΔSf | -1.9487 J/mol-atom/K | Ln3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 13 report | ||
| Entropy of formation printed: ΔSf | -1.6456 J/mol-atom/K | LnRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 69 report | ||
| Entropy of formation printed: ΔSf | -0.5529 J/mol-atom/K | LnRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 70 report | ||
| Entropy of formation printed: ΔSf | -0.7669 J/mol-atom/K | LnRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 71 report | ||
| Entropy of formation printed: ΔSf | -0.03663 J/mol-atom/K | Sm3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 15 report | ||
| Entropy of formation printed: ΔSf | -0.06146 J/mol-atom/K | Sm3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 14 report | ||
| Entropy of formation printed: ΔSf | -1.9487 J/mol-atom/K | Sm3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 13 report | ||
| Entropy of formation printed: ΔSf | -0.41058 J/mol-atom/K | Sm44Ru25 alloy: Ru 0.362319, Sm 0.637681 | model | [1] Kardellass 2023 | Table 3, p. 9, row 85 report | ||
| Entropy of formation printed: ΔSf | -0.16443 J/mol-atom/K | Sm44Ru25 alloy: Ru 0.362319, Sm 0.637681 | model | [1] Kardellass 2023 | Table 3, p. 9, row 87 report | ||
| Entropy of formation printed: ΔSf | -0.11085 J/mol-atom/K | Sm44Ru25 alloy: Ru 0.362319, Sm 0.637681 | model | [1] Kardellass 2023 | Table 3, p. 9, row 86 report | ||
| Entropy of formation printed: ΔSf | -0.6238 J/mol-atom/K | Sm5Ru2 alloy: Ru 0.285714, Sm 0.714286 | model | [1] Kardellass 2023 | Table 3, p. 9, row 78 report | ||
| Entropy of formation printed: ΔSf | -0.01077 J/mol-atom/K | Sm5Ru2 alloy: Ru 0.285714, Sm 0.714286 | model | [1] Kardellass 2023 | Table 3, p. 9, row 79 report | ||
| Entropy of formation printed: ΔSf | -6.900e-4 J/mol-atom/K | Sm5Ru2 alloy: Ru 0.285714, Sm 0.714286 | model | [1] Kardellass 2023 | Table 3, p. 9, row 80 report | ||
| Entropy of formation printed: ΔSf | -1.6456 J/mol-atom/K | SmRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 69 report | ||
| Entropy of formation printed: ΔSf | -0.5529 J/mol-atom/K | SmRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 70 report | ||
| Entropy of formation printed: ΔSf | -0.7669 J/mol-atom/K | SmRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 71 report | ||
| Gibbs energy of formation printed: ΔGf | -21.4421 kJ/mol-atom | Ln3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 15 report | ||
| Gibbs energy of formation printed: ΔGf | -21.2445 kJ/mol-atom | Ln3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 14 report | ||
| Gibbs energy of formation printed: ΔGf | -35.6274 kJ/mol-atom | Ln3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 13 report | ||
| Gibbs energy of formation printed: ΔGf | -65.2583 kJ/mol-atom | LnRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 69 report | ||
| Gibbs energy of formation printed: ΔGf | -36.1491 kJ/mol-atom | LnRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 70 report | ||
| Gibbs energy of formation printed: ΔGf | -33.2492 kJ/mol-atom | LnRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 71 report | ||
| Gibbs energy of formation printed: ΔGf | -25.6391 kJ/mol-atom | Sm44Ru25 alloy: Ru 0.362319, Sm 0.637681 | model | [1] Kardellass 2023 | Table 3, p. 9, row 87 report | ||
| Gibbs energy of formation printed: ΔGf | -39.3543 kJ/mol-atom | Sm5Ru2 alloy: Ru 0.285714, Sm 0.714286 | model | [1] Kardellass 2023 | Table 3, p. 9, row 78 report | ||
| Gibbs energy of formation printed: ΔGf | -23.4619 kJ/mol-atom | Sm5Ru2 alloy: Ru 0.285714, Sm 0.714286 | model | [1] Kardellass 2023 | Table 3, p. 9, row 79 report | ||
| Gibbs energy of formation printed: ΔGf | -23.4563 kJ/mol-atom | Sm5Ru2 alloy: Ru 0.285714, Sm 0.714286 | model | [1] Kardellass 2023 | Table 3, p. 9, row 80 report | ||
| Gibbs energy of formation printed: ΔGf at 1000 K | -21.4421 kJ/mol-atom | 1000 | Sm3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 15 report | |
| Gibbs energy of formation printed: ΔGf at 1000 K | -21.2445 kJ/mol-atom | 1000 | Sm3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 14 report | |
| Gibbs energy of formation printed: ΔGf at 1000 K | -35.6274 kJ/mol-atom | 1000 | Sm3Ru alloy: Ru 0.25, Sm 0.75 | model | [1] Kardellass 2023 | Table 3, p. 9, row 13 report | |
| Gibbs energy of formation printed: ΔGf at 1000 K | -44.8969 kJ/mol-atom | 1000 | Sm44Ru25 alloy: Ru 0.362319, Sm 0.637681 | model | [1] Kardellass 2023 | Table 3, p. 9, row 85 report | |
| Gibbs energy of formation printed: ΔGf at 1000 K | -26.1801 kJ/mol-atom | 1000 | Sm44Ru25 alloy: Ru 0.362319, Sm 0.637681 | model | [1] Kardellass 2023 | Table 3, p. 9, row 86 report | |
| Gibbs energy of formation printed: ΔGf at 1000 K | -65.2583 kJ/mol-atom | 1000 | SmRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 69 report | |
| Gibbs energy of formation printed: ΔGf at 1000 K | -36.1491 kJ/mol-atom | 1000 | SmRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 70 report | |
| Gibbs energy of formation printed: ΔGf at 1000 K | -33.2492 kJ/mol-atom | 1000 | SmRu2 alloy: Ru 0.666667, Sm 0.333333 | model | [1] Kardellass 2023 | Table 3, p. 9, row 71 report |
Crystal structure (6)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Lattice a | 7.33 Å | 298.15 | Sm3Ru alloy: Ru 0.25, Sm 0.75 | unspecified | [1] Kardellass 2023 | Table 2, p. 6, row 20 report | |
| Lattice a | 7.33 Å | 925 (<) | Sm3Ru Sm3Ru: Ru 0.25 | unspecified | [1] Kardellass 2023 | Table 2, p. 6, row 19 report | |
| Lattice b | 9.508 Å | 298.15 | Sm3Ru alloy: Ru 0.25, Sm 0.75 | unspecified | [1] Kardellass 2023 | Table 2, p. 6, row 20 report | |
| Lattice b | 9.461 Å | 925 (<) | Sm3Ru Sm3Ru: Ru 0.25 | unspecified | [1] Kardellass 2023 | Table 2, p. 6, row 19 report | |
| Lattice c | 6.361 Å | 298.15 | Sm3Ru alloy: Ru 0.25, Sm 0.75 | unspecified | [1] Kardellass 2023 | Table 2, p. 6, row 20 report | |
| Lattice c | 6.334 Å | 925 (<) | Sm3Ru Sm3Ru: Ru 0.25 | unspecified | [1] Kardellass 2023 | Table 2, p. 6, row 19 report |
Sources
Reporting papers the values were read from (a value cited from another work names that work in its row).
- S. Kardellass, C. Corvalan-Moya, V. P. Vassiliev, Thermodynamic Modeling of the (Ce and Sm)-Ru Binary Systems Based on Linear, Exponential, and Combined Models Aided by Ab-Initio Calculations, J. Phase Equilib. Diffus. 44, 300-323 (2023). doi:10.1007/s11669-023-01043-1