Ba-Cu-O-Y, Chalcogen, High-tc superconductor, Karpinski

• Ba-Ca-Cu-O-Y
• Ba-Cu-O-Sr-Y
• Ba-Ca-Cu-Hg-O-Pb-Y
• Ba-Ca-Cu-Hg-O-Sr-Y
• superconductivity
• structural properties
• superconducting transition temperature
• electronic and electrical properties
• values of superconducting transition temperature
• high-tc superconductor
• rare earth
• alkaline
• chalcogen
• transitional
• orthorhombic
• tetragonal