Chalcogen, Conductor, Oxide, Transitional, Wavenumber of optical phonon

• Ba-Cu-O-Y
• Bi-Fe-O
• O-Zn
• Bi-Ca-Cu-O-Sr
• Fe-O
• transitional
• conductor
• chalcogen
• oxide
• disordered
• orthorhombic
• cubic
• tetragonal
• trigonal
• monoclinic