Table 3.8: The structural parameters for the H_3-, T_4-, and B_5-model surfaces of Ge{11}rt3*rt3-30-Al and -B, as determined by a Keating analysis.

Table 3.8: The structural parameters for the H_3-, T_4-, and B_5-model surfaces of Ge{11}rt3*rt3-30-Al and -B, as determined by a Keating analysis.
The B_5-model has the adsorbate (X) and Ge_2a atoms interchanged.
Thhe parameter increment is 0.008 Ang.

Parameter H_3 T_4 B_5 H_3 T_4 B_5

- Al Al Al B B B

Delta z_X (0 ) (Ang.) +0.456 +0.392 +0.320 -0.296 -0.384 +0.088

Delta z_Ge(1 ) -0.024 -0.040 +0.016 -0.072 -0.072 -0.464

Delta r_Ge(1 ) -0.176 -0.136 -0.120 -0.272 -0.208 -0.288

Delta z_Ge(2a) -0.008 -0.328 -0.344 -0.008 -0.440 -0.376

Delta r_Ge(2a) +0.160 - - +0.232 - -

Delta z_Ge(2b) - +0.128 +0.152 - +0.160 +0.024

Delta z_Ge(3a) -0.008 -0.312 -0.384 +0.000 -0.424 -0.032

Delta r_Ge(3a) +0.008 - - +0.016 - -

Delta z_Ge(3b) - +0.112 +0.136 - +0.144 +0.016

Delta z_Ge(4a) +0.008 - - +0.016 - -

Delta z_Ge(4b) -0.008 - - -0.008 - -

Delta r_Ge(4a) - +0.080 +0.096 - +0.104 +0.008

Parameter	H_3	T_4	B_5	H_3	T_4	B_5
-	Al	Al	Al	B	B	B


Delta z_X (0 ) (Ang.)	+0.456	+0.392	+0.320	-0.296	-0.384	+0.088
Delta z_Ge(1 )	-0.024	-0.040	+0.016	-0.072	-0.072	-0.464
Delta r_Ge(1 )	-0.176	-0.136	-0.120	-0.272	-0.208	-0.288
Delta z_Ge(2a)	-0.008	-0.328	-0.344	-0.008	-0.440	-0.376
Delta r_Ge(2a)	+0.160	-	-	+0.232	-	-
Delta z_Ge(2b)	-	+0.128	+0.152	-	+0.160	+0.024
Delta z_Ge(3a)	-0.008	-0.312	-0.384	+0.000	-0.424	-0.032
Delta r_Ge(3a)	+0.008	-	-	+0.016	-	-
Delta z_Ge(3b)	-	+0.112	+0.136	-	+0.144	+0.016
Delta z_Ge(4a)	+0.008	-	-	+0.016	-	-
Delta z_Ge(4b)	-0.008	-	-	-0.008	-	-
Delta r_Ge(4a)	-	+0.080	+0.096	-	+0.104	+0.008

Back to the List of Tables

Last Update: 6/21/96