Conductor, Disordered, Semiconductor, Phonons, Tetragonal

• O-Ti
• Ba-O-Ti
• Cu-La-O
• O-Pb-Ti
• Fe-K-Se
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• vibrational spectra
• wavenumber of longitudinal optical phonon
• semiconductor
• conductor
• disordered
• chalcogen
• transitional