Alkaline, Chalcogen, Disordered, Orthorhombic, Phonons

• Ba-Cu-O-Y
• Ca-La-Mn-O
• Mn-Nd-O-Sr
• Ba-Bi-K-O
• Ca-O-Ti
• wavenumber of optical phonon
• Raman spectra
• infrared spectra
• wavenumber of longitudinal optical phonon
• vibrational spectra
• disordered
• alkaline
• chalcogen
• oxide
• transitional