Conductor, Metal, Fe, Optical properties, Trigonal

• Bi-Fe-O
• Fe-O
• Fe-La-O-Sr
• Co-Fe-La-O-Sr
• Bi-Fe-Mn-O-Zn
• phonons
• optical spectra
• Raman spectra
• wavenumber of optical phonon
• optical absorption
• disordered
• chalcogen
• conductor
• antiferromagnetic
• metal