Chalcogen, Disordered, Enthalpy change

• Cu-O
• Ba-Cu-O-Y
• O-Si-Sr
• O-Si
• O-Sr-Zr
• chalcogen
• disordered
• non-disordered
• transitional
• oxide
• cubic
• orthorhombic
• monoclinic
• trigonal
• tetragonal