Bi, Conductor, Disordered, Metal, Phonons, Trigonal

• Bi-Fe-O
• Bi-Se
• Bi-Te
• Bi-Br-Te
• Bi-Sb
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• wavenumber of transverse optical phonon
• energy of optical phonon
• pnictogen
• disordered
• conductor
• metal
• semiconductor