Values of critical current density, Y-x polyhedra

• Ba-Cu-O-Y
• Ba-Ca-Cu-O-Y
• Ca-Cu-O-Pb-Sr-Y
• Ba-Cu-O-Pr-Y
• B-C-Ni-Y
• transitional
• rare earth
• high-tc superconductor
• chalcogen
• alkaline
• orthorhombic
• tetragonal