Chalcogen, Conductor, Disordered, Metal, Imaginary part of permittivity

• Ba-O-Ti
• Ba-Cu-O-Y
• Cu-La-O
• Bi-Nb-O-Sr
• Bi-Ca-Cu-O-Sr
• metal
• disordered
• chalcogen
• conductor
• transitional
• orthorhombic
• cubic
• tetragonal
• trigonal
• hexagonal