Electronic and electrical properties, Na-Pb, Transitional

• Eu-Na-O-Pb-Ta-Ti-W
• Bi-Na-O-Pb-Ti-Zr
• Eu-Na-Nb-O-Pb-Ti-W
• Dy-Fe-Na-Nb-O-Pb
• K-Na-Nb-O-Pb-Ti
• permittivity (dielectric constant)
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• alkali
• transitional
• chalcogen
• multinary
• nonmetal
• orthorhombic
• tetragonal
• cubic
• trigonal
• hexagonal