Figure 1

Optimized atomic structure of (a) 2D-GeC, (b) 2D-SiC, (c) Structure I, (d) Structure II, and (e) Structure III. Golden yellow, violet, and cyan spheres represent C, Ge, and Si, respectively.

Optimized atomic structure of (a) 2D-GeC, (b) 2D-SiC, (c) Structure I, (d) Structure II, and (e) Structure III. Golden yellow, violet, and cyan spheres represent C, Ge, and Si, respectively.