Table C.4: The model parameters for the Ge{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 )-Ge(1) (Ang.) - 2.611 2.609
Delta z_Bi(0 ) +0.670 - -
Delta r_Bi(0 ) - 0.003 0.004
Delta z_Ge(1 ) -0.031 -0.005 -0.004
Delta r_Ge(1 ) -0.119 -0.049 -0.041
Delta z_Ge(2a) -0.306 -0.12 -0.005
Delta r_Ge(2a) - - 0.035
Delta z_Ge(2b) 0.124 0.053 -
Delta z_Ge(3a) -0.295 -0.095 -0.005
Delta r_Ge(3a) - - 0.006
Delta z_Ge(3b) 0.109 0.041 -

Total Energy (eV) 1.184 0.066 0.086
Length Term 0.01 0.006 0.002
Angle Term 1.173 0.06 0.084

d_Bi(0 )-Ge(1 ) (Ang.) 2.666 2.676 2.676
d_Bi(0 )-Bi(0 ) - 2.905 2.907
d_Ge(1 )-Ge(2a) 2.449 2.446 2.449
d_Ge(1 )-Ge(2b) 2.463 2.456 -


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Last Update: 6/21/96