Alkali, Chalcogen, Conductor, Disordered, Phonons, Tetragonal

• Fe-K-Se
• Ce-Li-Mo-O
• Bi-Na-O-Ti
• Na-O-P-Zn
• H-K-O-P
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• vibrational spectra
• disordered
• chalcogen
• alkali
• conductor
• transitional