Fig. 7. (a) The real part of the dielectric spectrum of a pristine 2D-SiC monolayer; the real part of the dielectric spectrum of single vacancy defect in a monolayer of SiC: (b) VC, (c) VSi; the real part of the dielectric spectrum of double vacancy defect in a monolayer of SiC: (d) V2C, (e) V2Si, (f) VSiC; the real part of the dielectric spectrum of antisite defect in a monolayer of SiC: (g) CSi, (h) SiC, (i) Si ↔ C.
