Electronic and electrical properties, F-x polyhedra, Orthorhombic

• F-Pb
• F-K-Sb
• Ba-Cu-F-O-Y
• Ba-Co-F
• Ba-F-Mg
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• permittivity (dielectric constant)
• halogen
• fluoride
• non-disordered
• transitional