Kchikech

• K-Nb-O-Ta
• La-O-Pb-Ti
• K-O-Ta
• Ca-O-Sr-Ti
• Cu-La-O-Pb-Ti
• permittivity (dielectric constant)
• electronic and electrical properties
• optical properties
• imaginary part of permittivity
• values of activation energy
• oxide
• chalcogen
• transitional
• perovskite
• tripolyhedral
• cubic