Table 1 Number of atoms and bonds in the (111)A and (111)B faces of GaSb 1×1×1 cell and 2×2×2 cells
Atomic layer | (111)A | (111)B | ||||
|---|---|---|---|---|---|---|
No. of atoms | No. of bonds with next atomic layer | No. of atoms | No. of bonds with next atomic layer | |||
Ga | Sb | Sb | Ga | |||
GaSb—1×1×1 cell | ||||||
1st | 6 | 9 | 1 | 3 | ||
2nd | 3 | 3 | 6 | 3 | ||
3rd | 6 | 3 | 3 | 9 | ||
4th | 1 | 1 | 6 | 0 | ||
Total | 12 | 4 | 16 | 4 | 12 | 15 |
GaSb—2×2×2 cells | ||||||
1st | 10 | 18 | 3 | 9 | ||
2nd | 6 | 6 | 10 | 10 | ||
3rd | 18 | 36 | 10 | 30 | ||
4th | 12 | 12 | 18 | 12 | ||
5th | 18 | 30 | 12 | 36 | ||
6th | 10 | 10 | 18 | 6 | ||
7th | 10 | 9 | 6 | 18 | ||
8th | 3 | 3 | 10 | 1 | ||
Total | 56 | 31 | 124 | 31 | 56 | 122 |
