Ca-Pb, Critical current density

• Bi-Ca-Cu-O-Pb-Sr
• Ba-Bi-Ca-Cu-O-Pb-Sr-Tl
• Ca-Cu-O-Pb-Sr-Y
• Bi-Ca-Cu-Nd-O-Pb-Sr
• Bi-Ca-Cu-Gd-O-Pb-Sr
• values of critical current density
• alkaline
• chalcogen
• high-tc superconductor
• conductor
• multinary
• orthorhombic
• tetragonal