Conductor, Semiconductor, Fe-O, Orthorhombic, Phonons

• Fe-La-O
• Fe-O-Sm
• Fe-Gd-O
• Bi-Fe-Nd-O
• Ba-Cu-Fe-O-Y
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• vibrational spectra
• wavenumber of longitudinal optical phonon
• transitional
• conductor
• semiconductor
• chalcogen
• oxide