Chalcogen, Cuprate, Critical current density

• Ba-Cu-O-Y
• Bi-Ca-Cu-O-Pb-Sr
• Ba-Ca-Cu-O-Tl
• Ba-Ca-Cu-O-Y
• Ba-Cu-O-Sm
• values of critical current density
• high-tc superconductor
• oxide
• cuprate
• chalcogen
• transitional
• orthorhombic
• tetragonal