Chalcogen, Conductor, Semiconductor, Kasai

• Ge-Se
• Ge-Te
• Bi-O-V
• Sn-Te
• Bi-Mg-O-V
• structural properties
• electronic and electrical properties
• temperature for structural transition
• phase transitions
• structural transitions
• semiconductor
• conductor
• chalcogen
• non-disordered
• orthorhombic
• cubic
• trigonal
• tetragonal
• monoclinic