| 1 | chuckv | 722 | // This is the forcefield file for the Sutton-Chen formulation of the Finnis-Sinclair metallic potential | 
| 2 |  |  | // See Rafii-Tabar and Chen Phil. Mag. Letters. 63(1991), 217-224 for alloy formulation for SC varient | 
| 3 |  |  |  | 
| 4 | chuckv | 830 | begin Options | 
| 5 |  |  | Name                  "SC" | 
| 6 |  |  | DistanceMixingRule    "Geometric" | 
| 7 |  |  | EnergyMixingRule      "Geometric" | 
| 8 |  |  | //  energy unit are eV. Convert to kcal/mol | 
| 9 |  |  | EnergyUnitScaling     0.02306054 | 
| 10 |  |  | end Options | 
| 11 | chuckv | 722 |  | 
| 12 |  |  | begin AtomTypes | 
| 13 |  |  | //Name        mass(amu) | 
| 14 |  |  | Ni      58.710 | 
| 15 |  |  | Cu      63.550 | 
| 16 |  |  | Rh      102.90550 | 
| 17 |  |  | Pd      106.42 | 
| 18 |  |  | Ag      107.8682 | 
| 19 |  |  | Ir      192.217 | 
| 20 |  |  | Pt      195.09 | 
| 21 |  |  | Au      196.97 | 
| 22 |  |  | Pb      207.2 | 
| 23 |  |  | Al      26.981538 | 
| 24 |  |  | end AtomTypes | 
| 25 |  |  |  | 
| 26 |  |  |  | 
| 27 |  |  | begin SCAtomTypes | 
| 28 |  |  | // Name  epsilon(eV)      c      m       n      alpha(angstroms) | 
| 29 |  |  | Ni      0.0015714       39.755  6.0     9.0     3.52 | 
| 30 |  |  | Cu      0.0012386       39.755  6.0     9.0     3.61 | 
| 31 |  |  | Rh      0.00049371      145.658 6.0     12.0    3.80 | 
| 32 |  |  | Pd      0.00041790      108.526 7.0     12.0    3.89 | 
| 33 |  |  | Ag      0.00025415      145.658 6.0     12.0    4.09 | 
| 34 |  |  | Ir      0.00024489      337.831 6.0     14.0    3.84 | 
| 35 |  |  | Pt      0.0019835       34.428  8.0     10.0    3.92 | 
| 36 |  |  | Au      0.0012794       34.428  8.0     10.0    4.08 | 
| 37 |  |  | Pb      0.00055772      45.882  7.0     10.0    4.95 | 
| 38 |  |  | Al      0.0033307       16.460  6.0     7.0     4.05 | 
| 39 |  |  | end SCAtomTypes |