Fe-O, Optics, Tetragonal

• Ba-Cu-Fe-O-Y
• As-Fe-O-Pr
• As-Fe-La-O
• As-Fe-O-Sm
• As-Ce-Fe-O
• phonons
• optical spectra
• wavenumber of optical phonon
• X-ray absorption near-edge spectra
• vibrational spectra
• chalcogen
• transitional
• disordered
• oxide
• rare earth