Ab-initio calculations of structural, electronic, and optical properties of Zn3(VO4)2
Ahmed Nisar1, Mukhtar S2, †, Gao Wei3, Zafar Ilyas Syed2
       

(color online) (a) Real part and (b) imaginary part of the dielectric function, and (c) absorption coefficient versus energy using GGA, GGA+U, and TB-mBJ approximations.