Table C.2: The model parameters for the Si{111}rt3*rt3-30-Bi surface, as determined by a Keating analysis.


Parameter T_4 T_4-T_1 H_3-T_1

z_Bi(0 )-Si(1) (Ang.) - 2.578 2.576
Delta z_Bi(0 ) +0.732 - -
Delta r_Bi(0 ) - +0.003 +0.003
Delta z_Si(1 ) -0.027 -0.004 -0.005
Delta r_Si(1 ) -0.107 -0.042 -0.034
Delta z_Si(2a) -0.282 -0.103 -0.005
Delta r_Si(2a) - - +0.029
Delta z_Si(2b) +0.116 +0.046 -
Delta z_Si(3a) -0.272 -0.082 -0.005
Delta r_Si(3a) - - +0.006
Delta z_Si(3b) +0.102 +0.036 -

Total Energy (eV) 1.039 0.044 0.059
Length Term 0.009 0.004 0.002
Angle Term 1.031 0.040 0.057

d_Bi(0 )-Si(1 ) (Ang.) 2.613 2.625 2.625
d_Bi(0 )-Bi(0 ) - 2.905 2.905
d_Si(1 )-Si(2a) 2.350 2.346 2.348
d_Si(1 )-Si(2b) 2.360 2.354 -


Back to the List of Tables

Last Update: 6/21/96