Ab-initio investigation of AGeO3 (A = Ca, Sr) compounds via Tran–Blaha-modified Becke

Ab-initio investigation of AGeO₃ (A = Ca, Sr) compounds via Tran–Blaha-modified Becke–Johnson exchange potential

Behram Rasul Bakhsh^{1, 2}, Iqbal M A³, Rashid Muhammad^{4, †}, Atif Sattar M⁵, Mahmood Asif⁶, Ramay Shahid M^{7, ‡}

(color online) Energy–dependent optical parameters: (a) real part of dielectric constant, (b) imaginary part of the dielectric constant, (c) refractive index, and (d) extinction coefficient for CaGeO₃ and SrGeO₃ by using the mBJ potential.