Electronic and electrical properties, Se-Sn, Se-x polyhedra, Semiconductor

• Bi-Pb-Se-Sn
• Ba-Se-Sn
• Bi-Se-Sn
• Bi-K-Se-Sn
• electronic energy gap
• conductivity or resistivity
• electrical conductivity
• values of electronic energy gap
• electron density of states
• semiconductor
• chalcogen
• conductor
• selenide
• disordered
• orthorhombic
• monoclinic
• cubic
• tetragonal
• trigonal