Chalcogen, Conductor, Fe-O, Optical properties

• Bi-Fe-O
• Fe-Ni-O
• Fe-O-Zn
• Co-Fe-O
• phonons
• optical spectra
• wavenumber of optical phonon
• infrared spectra
• Raman spectra
• chalcogen
• conductor
• transitional
• oxide
• semiconductor
• cubic
• trigonal
• orthorhombic
• tetragonal
• hexagonal