Conductor, Metal, Non-disordered, Phonons, Trigonal

• Bi-Fe-O
• Fe-O
• Bi-Se
• B-C
• O-Si
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• vibrational spectra
• phonon dispersion
• conductor
• non-disordered
• metal
• semiconductor
• chalcogen