Chalcogen, Disordered, Oxide, Imaginary part of permittivity

• La-O-Pb-Ti-Zr
• Mg-Nb-O-Pb-Ti
• Ba-O-Ti
• Ba-Cu-O-Y
• Ca-Cu-O-Ti
• chalcogen
• disordered
• oxide
• transitional
• nonmetal
• cubic
• orthorhombic
• tetragonal
• hexagonal
• trigonal