Electronic and electrical properties, Nb-x polyhedra, Nonmetal, Oxide

• Mg-Nb-O-Pb-Ti
• K-Na-Nb-O
• Bi-Nb-O-Sr
• Nb-O-Pb-Sc
• Na-Nb-O
• permittivity (dielectric constant)
• electrical conductivity
• dielectric loss tangent
• ferroelectric transitions
• transitional
• nonmetal
• oxide
• chalcogen
• disordered
• cubic
• tetragonal
• orthorhombic
• trigonal
• monoclinic