Chalcogen, Oxide, Real part of permittivity

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