Ba-Cu-O-Y, Square pyramid 5-vertex, Superconductivity

• Ba-Cu-O-Pr-Y
• Ba-Cu-O-Y-Zn
• Ba-Ca-Cu-O-Y
• Ba-Co-Cu-O-Y
• superconducting transition temperature
• values of superconducting transition temperature
• critical current density
• critical magnetic field
• high-tc superconductor
• alkaline
• chalcogen
• disordered
• rare earth
• orthorhombic
• tetragonal