Chalcogen, Kim, Phonons

• Ba-O-Ti
• Ba-Cu-O-Y
• Fe-Ni-O-Zn
• Bi-Fe-O
• Ce-Li-O-Si
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• wavenumber of transverse optical phonon
• energy of optical phonon
• chalcogen
• transitional
• oxide
• non-disordered
• disordered
• tetragonal
• orthorhombic
• cubic
• hexagonal
• trigonal