Chalcogen, Plechacek

• Bi-Ca-Cu-O-Sr
• Bi-Se
• Bi-Ca-Cu-O-Pb-Sr
• Bi-Sb-Se
• Bi-In-Se
• electronic and electrical properties
• thermal and thermodynamic properties
• conductivity or resistivity
• structural properties
• charge carrier concentration
• chalcogen
• pnictogen
• transitional
• conductor
• metal
• trigonal
• orthorhombic
• tetragonal