Ba-Cu-O-Y, Conductor, Non-disordered, Optical properties

• Ba-Cu-O-Y-Zn
• Ba-Cu-Fe-O-Y
• Ba-Co-Cu-O-Y
• Ba-Ca-Cu-O-Y
• phonons
• wavenumber of optical phonon
• optical conductivity
• optical spectra
• reflectivity
• conductor
• high-tc superconductor
• chalcogen
• alkaline
• non-disordered
• orthorhombic
• tetragonal