Alkaline, Oxide, Imaginary part of permittivity, Orthorhombic

• Ba-Cu-O-Y
• Bi-Nb-O-Sr
• Bi-Ca-Cu-O-Sr
• Ba-Bi-O-Sr-Ta
• Bi-Ca-O-Sr-Ti
• oxide
• alkaline
• chalcogen
• transitional
• disordered