Alkaline, High-tc superconductor, Ba-Cu-O-Y, Phonons

• Ba-Cu-Fe-O-Y
• Ba-Co-Cu-O-Y
• Ba-Cu-La-O-Y
• Ba-Cu-Ni-O-Y
• wavenumber of optical phonon
• Raman spectra
• wavenumber of longitudinal optical phonon
• vibrational spectra
• wavenumber of transverse optical phonon
• rare earth
• high-tc superconductor
• alkaline
• chalcogen
• transitional
• orthorhombic
• tetragonal