Ba2CaCu2TlO6.5 tP13 123, Chalcogen

• Ba-Ca-Cu-Hg-O
• Ca-Cu-O-Pb-Sr-Y
• Ca-Cu-O-Pb-Sr-Tl
• Cu-O-Pb-Sr-Y
• Ba-Cu-O-Pr-Tl
• superconductivity
• electronic and electrical properties
• structural properties
• superconducting transition temperature
• conductivity or resistivity
• chalcogen
• alkaline
• transitional
• high-tc superconductor
• cuprate
• tetragonal