Ca-Cu, Critical current density, Tetragonal

• Ba-Ca-Cu-O-Tl
• Ba-Bi-Ca-Cu-O-Pb-Sr-Tl
• Bi-Ca-Cu-O-Pb-Sr
• Ba-Ca-Cu-Hg-O
• Ba-Ca-Cu-Hg-O-Sr
• values of critical current density
• alkaline
• transitional
• chalcogen
• conductor
• high-tc superconductor