Alkaline, Chalcogen, Nonmetal, Oxide, Real part of permittivity

• Ba-O-Ti
• Mg-Nb-O-Pb-Ti
• Ba-Ca-O-Ti-Zr
• Ba-F-K-O-Ti
• Ba-Fe-Nb-O
• nonmetal
• oxide
• alkaline
• chalcogen
• transitional
• cubic
• tetragonal
• orthorhombic
• trigonal
• hexagonal