Chalcogen, Disordered, Nonmetal, Oxide, Transitional, Real part of permittivity

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