Chalcogen, Conductor, Transitional, Hexagonal, Phonons

• O-Zn
• Co-O-Zn
• Ba-Fe-O
• Cd-S
• Co-Na-O
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• wavenumber of longitudinal optical phonon
• vibrational spectra
• conductor
• chalcogen
• transitional
• semiconductor
• disordered