Type of surface phases | Concentrations of A (Cr) | Thickness of phase, d, Å | Composition of phase, AXBY | |
Substrate | Phase | |||
Si(111)-1´1-Cr (s-alloy) | 0 | 0.10 | 3.9 | CrSi9 |
Si(111)-a()R30˚-Cr | 0 | 0.28 | 3.3 | CrSi3 |
Si(111)-b()R30˚-Cr | 0 | 0.40 | 7.1 | Cr2Si3 |
CrSi2(0001)-1 ´ 1-Si | 0.33 | 0.03 | 1.25 | Si |