Disordered, Ternary, Phonons, Tetragonal

• Fe-K-Se
• O-Pb-Ti
• Ba-O-Ti
• Cu-In-Se
• La-Ni-O
• Raman spectra
• wavenumber of optical phonon
• vibrational spectra
• infrared spectra
• wavenumber of longitudinal optical phonon
• ternary
• disordered
• transitional
• chalcogen
• non-disordered