Optical absorption - wavenumber diagram, Oxide

• Ba-Cu-O-Y
• H-N-O-V
• Bi-O-Te
• Ni-O-Y
• K-O-V
• chalcogen
• oxide
• transitional
• disordered
• non-disordered
• orthorhombic
• tetragonal
• cubic
• monoclinic
• trigonal