Electronic and electrical properties, Nb-O, Nb-x polyhedra, Tetragonal

• Mg-Nb-O-Pb-Ti
• Bi-Nb-O-Sr
• K-Li-Nb-O
• Na-Nb-O-Sr
• permittivity (dielectric constant)
• electrical conductivity
• effective mass
• electronic energy gap
• conductivity or resistivity
• chalcogen
• transitional
• oxide
• disordered
• nonmetal