Chalcogen, Conductor, Disordered, Non-disordered, Fe, Phonons

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