Chalcogen, Conductor, Semiconductor, Fe-O, Phonons

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