Chalcogen, Nonmetal, Oxide, Real part of permittivity

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