Ba-Cu-O-Y, Tetrahedron 4-vertex, Values of critical current density

• Ba-Ca-Cu-O-Y
• Ba-Cu-La-O-Y
• Ba-Cu-O-Sr-Y
• Ba-Cu-O-Y-Zn
• disordered
• high-tc superconductor
• chalcogen
• alkaline
• rare earth
• orthorhombic
• tetragonal