Electronic and electrical properties, Nb, Nonmetal, Tetragonal

• Mg-Nb-O-Pb-Ti
• Ba-Nb-O-Sr
• K-Na-Nb-O
• Bi-Nb-O-Sr
• Nb-O
• permittivity (dielectric constant)
• ferroelectric transitions
• ferroelectric Curie temperature
• dielectric loss tangent
• nonmetal
• transitional
• chalcogen
• ferroelectric
• alkaline