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

Figure 1

Schematic atomic structure for the Ga-terminated GaN (001)-(2 × 2) surface, showing high symmetry sites (top, hcp, fcc, and hcp1) for the monolayer Ge/C adsorption. (a) The top view. (b) The side view.

(a)

(b)