Zinc-Blende GeC Stabilized on GaN (001): An Ab Initio Study

Figure 4

Different GeC surfaces: (a) formation of a GeC bilayer on the ideal Ga-terminated surface (GaN/GeC), (b) the C dimers’ formation on the Ge-terminated surface (Ge-term-C), and (c) GeC chair-like layer.

(a)

(b)

(c)