Chalcogen, Disordered, Kim, Raman spectra

• Bi-Fe-O-Ti
• Ba-O-Ti
• Ga-O-Zn
• Bi-Fe-O
• Ce-Li-O-Si
• disordered
• chalcogen
• oxide
• transitional
• conductor
• tetragonal
• trigonal
• hexagonal
• orthorhombic
• cubic