Chalcogen, Disordered, Transitional, Thermal energy gap

• Ir-O-Sr
• O-V
• Ni-S
• Co-La-O-Sr
• Bi-F-La-O-S
• disordered
• transitional
• chalcogen
• conductor
• semiconductor
• cubic
• orthorhombic
• tetragonal
• monoclinic
• trigonal