Disordered, Oxide, Kim, Optical properties, Tetragonal

• Ba-O-Ti
• Ir-O-Sr
• O-Rh-Sr
• O-V
• Ba-La-O-Ti
• optical spectra
• phonons
• luminescence
• optical conductivity
• wavenumber of optical phonon
• chalcogen
• oxide
• disordered
• transitional
• alkaline