Ba-Cu-O-Y, Optics, Rare earth, Tetragonal

• Ba-Cu-Fe-O-Y
• Ba-Co-Cu-O-Y
• Ba-Cu-O-Sr-Y
• Ba-Cu-Na-O-Y
• phonons
• wavenumber of optical phonon
• reflectivity
• wavenumber of longitudinal optical phonon
• values of reflectivity
• rare earth
• transitional
• alkaline
• chalcogen
• conductor