Dielectric loss tangent, Disordered, Nonmetal, Tetragonal

• La-O-Pb-Ti-Zr
• Mg-Nb-O-Pb-Ti
• Ba-O-Pb-Ti-Zr
• Bi-Nb-O-Sr
• O-Pb-Sr-Ti
• nonmetal
• chalcogen
• disordered
• transitional
• oxide