Conductor, Kim, Optical properties, Trigonal

• Bi-Fe-O
• C-Ca
• Fe-Lu-O
• Bi-Na-O-Ti
• Fe-O-Tm
• phonons
• optical spectra
• Raman spectra
• wavenumber of optical phonon
• X-ray absorption spectra
• conductor
• chalcogen
• semiconductor
• transitional
• non-disordered