Figure 6

Charge density difference (CDD) between the top (GeC) and bottom (SiC) layer of the heterobilayers: (a) Structure-I, (b) Structure-II, and (c) Structure-III. An isosurface value of 0.00057 \({e\AA }^{-3}\) was used. Left: top view, right: side view. The red and blue color refers to the depletion and accumulation of charge, respectively. Golden yellow, violet, and cyan spheres represent C, Ge, and Si, respectively.