Conductor, Disordered, Semiconductor, Imaginary part of permittivity

• Ba-O-Ti
• La-O-Pb-Ti-Zr
• Ba-Cu-O-Y
• Ba-Fe-O
• Si
• disordered
• conductor
• semiconductor
• chalcogen
• transitional
• cubic
• orthorhombic
• tetragonal
• trigonal
• hexagonal