Alkaline, Chalcogen, Nonmetal, Dielectric loss tangent, Tetragonal

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