Chalcogen, Conductor, Fe-O, Phonons, Trigonal

• Bi-Fe-O
• Bi-Fe-La-O
• Cu-Fe-O
• Fe-Lu-O
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• wavenumber of transverse optical phonon
• wavenumber of longitudinal optical phonon
• transitional
• chalcogen
• conductor
• semiconductor
• oxide