Non-disordered, Transitional, Phonons

• Ba-Cu-O-Y
• Bi-Fe-O
• O-Zn
• Fe-O
• O-Ti
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• vibrational spectra
• wavenumber of longitudinal optical phonon
• non-disordered
• transitional
• chalcogen
• ternary
• oxide
• orthorhombic
• cubic
• tetragonal
• monoclinic
• trigonal