47, Critical current density, Rare earth

• Ba-Cu-O-Y
• Ba-Cu-O-Sm
• Ba-Cu-Gd-O
• Ba-Cu-O-Pr-Y
• Ba-Ca-Cu-O-Y
• values of critical current density
• high-tc superconductor
• rare earth
• alkaline
• chalcogen
• transitional
• orthorhombic