Murase

• Sn-Te
• Ge-Pb-Te
• Ge-Se
• Pb-Te
• Co-O-Sr
• electronic and electrical properties
• optical properties
• phase transitions
• structural transitions
• temperature for structural transition
• chalcogen
• conductor
• metalloid
• semiconductor
• non-disordered
• trigonal
• cubic
• monoclinic
• hexagonal
• orthorhombic