Ba-Cu-O-Y, Conductor, Disordered, Semiconductor, Phonons

• Ba-Co-Cu-O-Y
• Ba-Cu-Fe-O-Y
• Ba-Cu-O-Pr-Y
• Ba-Cu-F-O-Y
• wavenumber of optical phonon
• Raman spectra
• wavenumber of longitudinal optical phonon
• vibrational spectra
• conductor
• disordered
• chalcogen
• alkaline
• high-tc superconductor
• orthorhombic
• tetragonal