Theoretical investigation of optical properties and band gap engineering for Zn1−xTMxTe (TM = Fe, Co) alloys by modified Becke–Johnson potential
Mahmood Q1, Yaseen M2, †, Hassan M1, Ramay Shahid M3, Mahmood Asif4
       

(color online) Plots of calculated (a) real , and (b) imaginary dielectric constant, (c) refractive index , (d) extinction coefficient versus energy for alloys with x = 0.0–1.0.