Chalcogen, Conductor, Disordered, Non-disordered, Transitional, Raman spectra

• Bi-Fe-O
• Ba-Cu-O-Y
• Ba-O-Ti
• O-Zn
• O-Ti
• non-disordered
• conductor
• disordered
• chalcogen
• transitional
• cubic
• orthorhombic
• tetragonal
• trigonal
• hexagonal