Ba-Cu-O-Y, Chalcogen, Oxide, Kim

• Ba-Cu-O-Y-Zn
• Ba-Cu-F-O-Y
• Ba-Cr-Cu-O-Y
• Ba-Cu-F-O-Y-Yb
• optical properties
• thermal and thermodynamic properties
• superconductivity
• phonons
• superconducting transition temperature
• disordered
• high-tc superconductor
• alkaline
• chalcogen
• oxide
• orthorhombic
• tetragonal