Electronic and electrical properties, F-x polyhedra, Tetragonal

• Bi-F-La-O-S
• As-F-Fe-La-O
• As-F-Fe-O-Sm
• F-Pb-Sn
• Al-F-Pb
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• halogen
• fluoride
• non-disordered
• transitional