Ba-Cu-O-Y, Chalcogen, Values of critical current density

• Ba-Ca-Cu-O-Y
• Ba-Cu-O-Pr-Y
• Ba-Cu-Ho-O-Y
• Ba-Cu-Eu-O-Y
• rare earth
• transitional
• alkaline
• chalcogen
• high-tc superconductor
• orthorhombic
• tetragonal