Mo–Pt system
80 accepted literature values from 1 paper(s) (experimental 45, model 24, DFT 11); 1 calculated phase diagram(s).
Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (8) · papers (bibliography) · Markdown
| Evidence class | Values |
|---|---|
| experimental | 45 |
| model | 24 |
| DFT | 11 |
| Property group | Values |
|---|---|
| invariant reaction | 17 |
| phase transition | 5 |
| phase equilibrium | 30 |
| formation | 28 |
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 |
|---|---|---|---|
| MoPt-24Fio.tdb | J.-M. Fiorani, M. Siblani, J.-M. Joubert, C. Barreteau, J.-C. Crivello, N. David, M. Vilasi, Calphad, 84, 102665(2024). doi:10.1016/j.calphad.2024.102665 | e0c202c305972988ca53d3f5e91d9f2147cb54208e2154f71c7c075db9a3380b | viewer · TDB · JSON |
| TDB file | T (K) | Phases at the invariant |
|---|---|---|
| MoPt-24Fio.tdb | 2351.28 | BCC_A2 (x(Pt) 0.14368) + LIQUID (x(Pt) 0.27491) + HCP_A3 (x(Pt) 0.32857) |
| MoPt-24Fio.tdb | 2296.51 | HCP_A3 (x(Pt) 0.58024) + FCC_A1 (x(Pt) 0.61225) + LIQUID (x(Pt) 0.63995) |
| MoPt-24Fio.tdb | 2158.18 | BCC_A2 (x(Pt) 0.11782) + MOPT_D019 (x(Pt) 0.3318) + HCP_A3 (x(Pt) 0.34029) |
| MoPt-24Fio.tdb | 2125.94 | MOPT_D019 (x(Pt) 0.3546) + HCP_A3 (x(Pt) 0.36793) + MOPT_B19 (x(Pt) 0.368) |
| MoPt-24Fio.tdb | 2046.44 | BCC_A2 (x(Pt) 0.09671) + MO6PT_A15 (x(Pt) 0.18464) + MOPT_D019 (x(Pt) 0.33418) |
| MoPt-24Fio.tdb | 1873.41 | HCP_A3 (x(Pt) 0.55464) + FCC_A1 (x(Pt) 0.58668) + MOPT2 (x(Pt) 0.61713) |
| MoPt-24Fio.tdb | 1837.23 | MOPT_D019 (x(Pt) 0.49104) + MOPT_B19 (x(Pt) 0.5065) + HCP_A3 (x(Pt) 0.50697) |
| MoPt-24Fio.tdb | 1738.7 | MOPT_D019 (x(Pt) 0.52577) + HCP_A3 (x(Pt) 0.54066) + MOPT2 (x(Pt) 0.61354) |
| MoPt-24Fio.tdb | 1556.47 | BCC_A2 (x(Pt) 0.02992) + MO6PT_A15 (x(Pt) 0.18901) + MOPT_D019 (x(Pt) 0.35546) |
| MoPt-24Fio.tdb | 1528.29 | MOPT_B19 (x(Pt) 0.48993) + MOPT_D019 (x(Pt) 0.50794) + MOPT2 (x(Pt) 0.61861) |
| MoPt-24Fio.tdb | 1269.77 | BCC_A2 (x(Pt) 0.01056) + MOPT_D019 (x(Pt) 0.37346) + MOPT_B19 (x(Pt) 0.43293) |
Convex hulls: Materials Project DFT hull · OQMD DFT hull
Invariant reactions (literature)
| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|
| 2355 | A2 Liq A3 | model | [1] Fiorani 2024 | Table 8, p. 24, row 3 report | ||
| 2353 | A2 Liq A3 | experimental | [1] Fiorani 2024 cites Brewer 1980 doi | Table 8, p. 24, row 4 report | ||
| 2296 | A3 A1 Liq | model | [1] Fiorani 2024 | Table 8, p. 24, row 5 report | ||
| 2293 | A3 A1 Liq | experimental | [1] Fiorani 2024 cites Brewer 1980 doi | Table 8, p. 24, row 6 report | ||
| 2154 | A2 D019 A3 | D019: Pt 0.5 | model | [1] Fiorani 2024 | Table 8, p. 24, row 7 report | |
| 2153 | A2 D019 A3 | D019: Pt 0.5 | experimental | [1] Fiorani 2024 cites Brewer 1980 doi | Table 8, p. 24, row 8 report | |
| 2053 | A2 A15 D019 | A15: Pt 0.142857; D019: Pt 0.5 | experimental | [1] Fiorani 2024 cites Brewer 1980 doi | Table 8, p. 24, row 12 report | |
| 2048 | A2 A15 D019 | A15: Pt 0.142857; D019: Pt 0.5 | model | [1] Fiorani 2024 | Table 8, p. 24, row 11 report | |
| 1873 | A3 A1 MoPt2 | MoPt2: Pt 0.666667 | experimental | [1] Fiorani 2024 cites Brewer 1980 doi | Table 8, p. 24, row 14 report | |
| 1872 | A3 A1 MoPt2 | MoPt2: Pt 0.666667 | model | [1] Fiorani 2024 | Table 8, p. 24, row 13 report | |
| 1748 | D019 A3 MoPt2 | D019: Pt 0.5; MoPt2: Pt 0.666667 | experimental | [1] Fiorani 2024 cites Brewer 1980 doi | Table 8, p. 24, row 16 report | |
| 1740 | D019 A3 MoPt2 | D019: Pt 0.5; MoPt2: Pt 0.666667 | model | [1] Fiorani 2024 | Table 8, p. 24, row 15 report | |
| 1573 | D019 B19 MoPt2 | D019: Pt 0.5; B19: Pt 0.5; MoPt2: Pt 0.666667 | experimental | [1] Fiorani 2024 cites Brewer 1980 doi | Table 8, p. 24, row 18 report | |
| 1556 | A2 A15 D019 | A15: Pt 0.142857; D019: Pt 0.5 | model | [1] Fiorani 2024 | Table 8, p. 24, row 19 report | |
| 1553 | A2 A15 D019 | A15: Pt 0.142857; D019: Pt 0.5 | experimental | [1] Fiorani 2024 cites Brewer 1980 doi | Table 8, p. 24, row 20 report | |
| 1519 | B19 D019 MoPt2 | B19: Pt 0.5; D019: Pt 0.5; MoPt2: Pt 0.666667 | model | [1] Fiorani 2024 | Table 8, p. 24, row 21 report | |
| 1158 | A2 D019 B19 | D019: Pt 0.5; B19: Pt 0.5 | model | [1] Fiorani 2024 | Table 8, p. 24, row 22 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.
| Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote |
|---|---|---|---|---|---|---|---|---|---|
| A1 | -27.1 kJ/mol (basis unstated) ± 4.2 | 298.15 | experimental | [1] Fiorani 2024 cites My 2009 | Table 4, p. 20, row 5 report | ||||
| A1 | -25.6 kJ/mol (basis unstated) | 298.15 | model | [1] Fiorani 2024 | Table 4, p. 20, row 10 report | ||||
| A15 | -13 kJ/mol (basis unstated) ± 1.9 | 1768 | experimental | [1] Fiorani 2024 cites My 2009 | Table 4, p. 20, row 1 report | ||||
| A15 | -10.839 kJ/mol (basis unstated) | 0 | model | [1] Fiorani 2024 | Table 5, p. 21, row 18 report | ||||
| A15 | -10.828 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 | Table 5, p. 21, row 17 report | ||||
| A15 | -10.444 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 | Table 5, p. 21, row 19 report | ||||
| A15 | -10.437 kJ/mol (basis unstated) | 0 | model | [1] Fiorani 2024 | Table 5, p. 21, row 20 report | ||||
| A15 | -7.4 kJ/mol (basis unstated) | 1768 | model | [1] Fiorani 2024 | Table 4, p. 20, row 6 report | ||||
| B19 | -34.4 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 cites Lu 1994 doi | Table 5, p. 21, row 14 report | ||||
| B19 | -30.661 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 | Table 5, p. 21, row 12 report | ||||
| B19 | -30.65 kJ/mol (basis unstated) | 0 | model | [1] Fiorani 2024 | Table 5, p. 21, row 13 report | ||||
| B19 | -27.7 kJ/mol (basis unstated) ± 3.9 | 298.15 | experimental | [1] Fiorani 2024 cites My 2009 | Table 4, p. 20, row 3 report | ||||
| B19 | -26.7 kJ/mol (basis unstated) | 298.15 | model | [1] Fiorani 2024 | Table 4, p. 20, row 8 report | ||||
| D019 | -26.1 kJ/mol (basis unstated) ± 4.9 | 298.15 | experimental | [1] Fiorani 2024 cites My 2009 | Table 4, p. 20, row 2 report | ||||
| D019 | -22.026 kJ/mol (basis unstated) | 0 | model | [1] Fiorani 2024 | Table 5, p. 21, row 11 report | ||||
| D019 | -22.005 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 | Table 5, p. 21, row 10 report | ||||
| D019 | -17.9 kJ/mol (basis unstated) | 298.15 | model | [1] Fiorani 2024 | Table 4, p. 20, row 7 report | ||||
| D019 | -6.445 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 | Table 5, p. 21, row 8 report | ||||
| D019 | -6.409 kJ/mol (basis unstated) | 0 | model | [1] Fiorani 2024 | Table 5, p. 21, row 9 report | ||||
| MoPt2 | -37.6 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 cites Curtarolo 2005 doi | Table 5, p. 21, row 6 report | ||||
| MoPt2 | -37.6 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 cites Lu 1994 doi | Table 5, p. 21, row 5 report | ||||
| MoPt2 | -37.6 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 cites Stojkovic 2008 doi | Table 5, p. 21, row 7 report | ||||
| MoPt2 | -36.9 kJ/mol (basis unstated) ± 1.8 | 298.15 | experimental | [1] Fiorani 2024 cites My 2009 | Table 4, p. 20, row 4 report | ||||
| MoPt2 | -34.707 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 | Table 5, p. 21, row 3 report | ||||
| MoPt2 | -34.639 kJ/mol (basis unstated) | 0 | model | [1] Fiorani 2024 | Table 5, p. 21, row 4 report | ||||
| MoPt2 | -32.8 kJ/mol (basis unstated) | 298.15 | model | [1] Fiorani 2024 | Table 4, p. 20, row 9 report | ||||
| MoPt2 | -4.053 kJ/mol (basis unstated) | 0 | model | [1] Fiorani 2024 | Table 5, p. 21, row 2 report | ||||
| MoPt2 | -4.049 kJ/mol (basis unstated) | 0 | DFT | [1] Fiorani 2024 | Table 5, p. 21, row 1 report |
Other properties
Phase transition (5)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Phase transition | 1591 K | 1591 | B19 D019 B19: Pt 0.5; D019: Pt 0.5 | model | [1] Fiorani 2024 | Table 8, p. 24, row 17 report | |
| Phase transition | 2073 K | 2073 | MoPt2 A1 MoPt2: Pt 0.666667; A1: Pt 0.666667 | experimental | [1] Fiorani 2024 cites Brewer 1980 doi | Table 8, p. 24, row 10 report | |
| Phase transition | 2073 K | 2073 | MoPt2 A1 MoPt2: Pt 0.666667; A1: Pt 0.666667 | model | [1] Fiorani 2024 | Table 8, p. 24, row 9 report | |
| Phase transition | 2446 K | 2446 | A3 Liq | model | [1] Fiorani 2024 | Table 8, p. 24, row 1 report | |
| Phase transition | 2448 K | 2448 | A3 Liq | experimental | [1] Fiorani 2024 cites Brewer 1980 doi | Table 8, p. 24, row 2 report |
Phase equilibrium (30)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Phase composition | 1473 | B19 B19: Mo 0.556, Pt 0.444 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 2 report | ||
| Phase composition | 1473 | B19 B19: Mo 0.526, Pt 0.474 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 3 report | ||
| Phase composition | 1473 | B19 + MoPt2 + MoPt₂ B19: Mo 0.51, Pt 0.49; MoPt2: Mo 0.382, Pt 0.618; MoPt₂: Mo 0.382, Pt 0.618 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 6 report | ||
| Phase composition | 1473 | B19 + MoPt2 + MoPt₂ B19: Mo 0.511, Pt 0.489; MoPt2: Mo 0.378, Pt 0.622; MoPt₂: Mo 0.378, Pt 0.622 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 4 report | ||
| Phase composition | 1473 | B19 + MoPt2 + MoPt₂ B19: Mo 0.515, Pt 0.485; MoPt2: Mo 0.381, Pt 0.619; MoPt₂: Mo 0.381, Pt 0.619 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 5 report | ||
| Phase composition | 1473 | D019 + D0₁₉ D019: Mo 0.602, Pt 0.398; D0₁₉: Mo 0.602, Pt 0.398 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 1 report | ||
| Phase composition | 1473 | MoPt2 + MoPt₂ MoPt2: Mo 0.327, Pt 0.673; MoPt₂: Mo 0.327, Pt 0.673 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 8 report | ||
| Phase composition | 1473 | MoPt2 + MoPt₂ MoPt2: Mo 0.369, Pt 0.631; MoPt₂: Mo 0.369, Pt 0.631 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 7 report | ||
| Phase composition | 1548 | A2 + D019 + D0₁₉ A2: Mo 0.972, Pt 0.028; D019: Mo 0.634, Pt 0.366; D0₁₉: Mo 0.634, Pt 0.366 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 9 report | ||
| Phase composition | 1548 | B19 B19: Mo 0.517, Pt 0.483 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 12 report | ||
| Phase composition | 1548 | D019 + D0₁₉ D019: Mo 0.564, Pt 0.436; D0₁₉: Mo 0.564, Pt 0.436 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 11 report | ||
| Phase composition | 1548 | D019 + D0₁₉ D019: Mo 0.567, Pt 0.433; D0₁₉: Mo 0.567, Pt 0.433 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 10 report | ||
| Phase composition | 1548 | D019 + MoPt2 + D0₁₉ + MoPt₂ D019: Mo 0.489, Pt 0.511; MoPt2: Mo 0.382, Pt 0.618; D0₁₉: Mo 0.489, Pt 0.511; MoPt₂: Mo 0.382, Pt 0.618 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 13 report | ||
| Phase composition | 1548 | D019 + MoPt2 + D0₁₉ + MoPt₂ D019: Mo 0.49, Pt 0.51; MoPt2: Mo 0.382, Pt 0.618; D0₁₉: Mo 0.49, Pt 0.51; MoPt₂: Mo 0.382, Pt 0.618 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 14 report | ||
| Phase composition | 1548 | MoPt2 + MoPt₂ MoPt2: Mo 0.357, Pt 0.643; MoPt₂: Mo 0.357, Pt 0.643 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 15 report | ||
| Phase composition | 1548 | MoPt2 + MoPt₂ MoPt2: Mo 0.317, Pt 0.683; MoPt₂: Mo 0.317, Pt 0.683 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 16 report | ||
| Phase composition | 1623 | A15 + D019 + D0₁₉ A15: Mo 0.81, Pt 0.19; D019: Mo 0.644, Pt 0.356; D0₁₉: Mo 0.644, Pt 0.356 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 18 report | ||
| Phase composition | 1623 | A2 + A15 A2: Mo 0.971, Pt 0.029; A15: Mo 0.815, Pt 0.185 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 17 report | ||
| Phase composition | 1623 | D019 + D0₁₉ D019: Mo 0.567, Pt 0.433; D0₁₉: Mo 0.567, Pt 0.433 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 21 report | ||
| Phase composition | 1623 | D019 + D0₁₉ D019: Mo 0.586, Pt 0.414; D0₁₉: Mo 0.586, Pt 0.414 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 20 report | ||
| Phase composition | 1623 | D019 + D0₁₉ D019: Mo 0.508, Pt 0.492; D0₁₉: Mo 0.508, Pt 0.492 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 23 report | ||
| Phase composition | 1623 | D019 + D0₁₉ D019: Mo 0.633, Pt 0.367; D0₁₉: Mo 0.633, Pt 0.367 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 19 report | ||
| Phase composition | 1623 | D019 + D0₁₉ D019: Mo 0.53, Pt 0.47; D0₁₉: Mo 0.53, Pt 0.47 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 22 report | ||
| Phase composition | 1623 | D019 + MoPt2 + D0₁₉ + MoPt₂ D019: Mo 0.487, Pt 0.513; MoPt2: Mo 0.384, Pt 0.616; D0₁₉: Mo 0.487, Pt 0.513; MoPt₂: Mo 0.384, Pt 0.616 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 24 report | ||
| Phase composition | 1623 | MoPt2 + A1 + MoPt₂ MoPt2: Mo 0.309, Pt 0.691; A1: Mo 0.256, Pt 0.744; MoPt₂: Mo 0.309, Pt 0.691 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 27 report | ||
| Phase composition | 1623 | MoPt2 + MoPt₂ MoPt2: Mo 0.314, Pt 0.686; MoPt₂: Mo 0.314, Pt 0.686 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 26 report | ||
| Phase composition | 1623 | MoPt2 + MoPt₂ MoPt2: Mo 0.361, Pt 0.639; MoPt₂: Mo 0.361, Pt 0.639 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 25 report | ||
| Phase composition | 1953 | A15 + D019 + D0₁₉ A15: Mo 0.817, Pt 0.183; D019: Mo 0.665, Pt 0.335; D0₁₉: Mo 0.665, Pt 0.335 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 29 report | ||
| Phase composition | 1953 | A2 + A15 A2: Mo 0.919, Pt 0.081; A15: Mo 0.815, Pt 0.185 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 28 report | ||
| Phase composition | 1953 | MoPt2 + MoPt₂ MoPt2: Mo 0.358, Pt 0.642; MoPt₂: Mo 0.358, Pt 0.642 | experimental | [1] Fiorani 2024 cites Benlaharche 2008 | Table 2, p. 18, row 30 report |
Sources
Reporting papers the values were read from (a value cited from another work names that work in its row).
- J.-M. Fiorani, M. Siblani, J.-M. Joubert, C. Barreteau, J.-C. Crivello, N. David et al., Thermodynamic modeling of the Mo–Pt system based on the NACEF approach, Calphad 84, 102665 (2024). doi:10.1016/j.calphad.2024.102665