Chalcogen, Oxide, Cubic, Optics

• Fe-O
• O-Sr-Ti
• Mn-O
• Mg-O
• Fe-Ni-O
• phonons
• optical spectra
• Raman spectra
• optical absorption
• wavenumber of optical phonon
• oxide
• chalcogen
• disordered
• transitional
• non-disordered