Ba-Cu-O-Y, Heat capacity at constant pressure, Trigonal bipyramid 5-vertex

• Ba-Cu-O-Pr-Y
• Ba-Cu-O-Sr-Y
• Ba-Cu-Ni-O-Y
• Ba-Cu-F-O-Y
• high-tc superconductor
• alkaline
• chalcogen
• disordered
• rare earth
• orthorhombic
• tetragonal