Dielectric loss tangent, Nonmetal, Transitional

• K-Na-Nb-O
• Ba-O-Sr-Ti
• K-Li-Na-Nb-O-Sb
• Nb-O-Pb-Ti-Zn
• Mg-Nb-O-Pb-Ti
• nonmetal
• transitional
• chalcogen
• oxide
• ferroelectric
• cubic
• tetragonal
• orthorhombic
• trigonal
• monoclinic