Ba-Cu-O-Y, Disordered, Non-disordered, Phonons

• Ba-Co-Cu-O-Y
• Ba-Cu-O-Y-Zn
• Ag-Ba-Cu-O-Y
• Ba-Cu-F-O-Y
• wavenumber of optical phonon
• Raman spectra
• wavenumber of longitudinal optical phonon
• vibrational spectra
• wavenumber of transverse optical phonon
• high-tc superconductor
• disordered
• chalcogen
• alkaline
• non-disordered
• orthorhombic
• tetragonal