Bi-Fe-O, Disordered, Optical properties

• Bi-Fe-Nd-O
• Bi-Fe-La-O
• Bi-Fe-O-Sm
• Bi-Fe-Mn-O
• phonons
• Raman spectra
• wavenumber of optical phonon
• optical spectra
• X-ray photoemission spectra
• transitional
• disordered
• chalcogen
• pnictogen
• ferroelectric
• trigonal
• orthorhombic
• cubic
• tetragonal
• triclinic