X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=potentials%2Ftersoff.h;h=a23503a0ed9693859a10631ba4ba3b6077a829be;hb=1965279af348fbb9b69459d01516bbcd52b6f240;hp=52e848f787b522feb6204c6e4d158bc12d629bbf;hpb=0b96eb313c9bfec6272b1f8de0d99c4ce26d1686;p=physik%2Fposic.git diff --git a/potentials/tersoff.h b/potentials/tersoff.h index 52e848f..a23503a 100644 --- a/potentials/tersoff.h +++ b/potentials/tersoff.h @@ -74,7 +74,7 @@ typedef struct s_tersoff_mult_params { } t_tersoff_mult_params; /* function prototypes */ -int tersoff_mult_complete_params(t_tersoff_mult_params *p); +int tersoff_mult_set_params(t_moldyn *moldyn,int element1,int element2); int tersoff_mult_1bp(t_moldyn *moldyn,t_atom *ai); int tersoff_mult_2bp(t_moldyn *moldyn,t_atom *ai,t_atom *aj,u8 bc); int tersoff_mult_3bp_j1(t_moldyn *moldyn,t_atom *ai,t_atom *aj,u8 bc); @@ -83,5 +83,38 @@ int tersoff_mult_3bp_k1(t_moldyn *moldyn, int tersoff_mult_3bp_j2(t_moldyn *moldyn,t_atom *ai,t_atom *aj,u8 bc); int tersoff_mult_3bp_k2(t_moldyn *moldyn, t_atom *ai,t_atom *aj,t_atom *ak,u8 bc); +int tersoff_mult_check_2b_bond(t_moldyn *moldyn,t_atom *ai,t_atom *aj,u8 bc); + +/* tersoff potential paramter defines */ + +// silicon +#define TM_R_SI 2.7 /* A */ +#define TM_S_SI 3.0 /* A */ +#define TM_A_SI (1830.8*EV) /* NA */ +#define TM_B_SI (471.18*EV) /* NA */ +#define TM_LAMBDA_SI 2.4799 /* 1/A */ +#define TM_MU_SI 1.7322 /* 1/A */ +#define TM_BETA_SI 1.1000e-6 +#define TM_N_SI 0.78734 +#define TM_C_SI 1.0039e5 +#define TM_D_SI 16.217 +#define TM_H_SI -0.59825 + +// carbon +#define TM_R_C 1.8 /* A */ +#define TM_S_C 2.1 /* A */ +#define TM_A_C (1393.6*EV) /* NA */ +#define TM_B_C (346.7*EV) /* NA */ +#define TM_LAMBDA_C 3.4879 /* 1/A */ +#define TM_MU_C 2.2119 /* 1/A */ +#define TM_BETA_C 1.5724e-7 +#define TM_N_C 0.72751 +#define TM_C_C 3.8049e4 +#define TM_D_C 4.384 +#define TM_H_C -0.57058 + +// mixed: silicon carbide +#define TM_CHI_SIC 0.9776 +#define TM_LC_SIC 4.32 /* A */ #endif