Bi-Fe-O, Phonons, Pnictogen

• Bi-Fe-Nd-O
• Bi-Fe-La-O
• Bi-Fe-O-Sm
• Bi-Fe-Ho-O
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• wavenumber of longitudinal optical phonon
• vibrational spectra
• transitional
• pnictogen
• chalcogen
• disordered
• antiferromagnetic
• trigonal
• orthorhombic
• cubic
• tetragonal
• triclinic