Dielectric loss tangent, Ferroelectric, Nonmetal, Tetragonal

• La-O-Pb-Ti-Zr
• Mg-Nb-O-Pb-Ti
• Ba-Nb-O-Sr
• Ba-O-Pb-Ti-Zr
• K-Na-Nb-O
• nonmetal
• ferroelectric
• transitional
• chalcogen
• disordered