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

• Ba-O-Ti
• Ba-Nb-O-Sr
• Mg-Nb-O-Pb-Ti
• Bi-Na-O-Ti
• Ba-Ca-O-Ti-Zr
• oxide
• chalcogen
• nonmetal
• transitional
• ferroelectric