
First-principles study of the difference in permittivity between Ba(Mg1 / 3Ta2 / 3)O3 and Ba(Mg1 / 3Nb2 / 3)O3
Keywords: E. اصول اول; 77.22.-d; 77.84.Dy; 63.20.-eA. Insulators; D. Dielectric response; E. First-principles