Ba-Cu-O-Y, Compressibility, Y-x polyhedra

• Ba-Cu-O-Sr-Y
• Ba-Co-Cu-O-Y
• Ba-Cu-F-O-Y
• Ba-Cu-Mn-O-Y
• isothermal linear compressibility
• isothermal volume compressibility
• pressure dependence of cell parameter
• volume change
• high-tc superconductor
• disordered
• alkaline
• chalcogen
• rare earth
• orthorhombic
• tetragonal