Cell and atoms, Chalcogen, Conductor, Enthalpy of formation

• Ba-Ca-Cu-O-Tl
• Bi-Ge-Te
• Ge-Sb-Te
• Bi-O-V
• Ba-Cu-O-Y
• chalcogen
• conductor
• transitional
• disordered
• tetragonal
• orthorhombic
• cubic
• monoclinic
• trigonal