Chalcogen, Conductor, Disordered, Transitional, Enthalpy of formation

• Cu-O
• O-Zr
• Fe-O
• Ba-Ca-Cu-O-Tl
• Ba-Cu-O-Tl
• transitional
• chalcogen
• conductor
• disordered
• tetragonal
• cubic
• orthorhombic
• trigonal
• hexagonal