Chalcogen, Nonmetal, Dielectric loss tangent, Tetragonal

• Ba-O-Ti
• K-Na-Nb-O
• Bi-Na-O-Ti
• K-Li-Na-Nb-O-Sb
• Nb-O-Pb-Ti-Zn
• chalcogen
• nonmetal
• transitional
• oxide
• ferroelectric