CaCu2O7Pb0.5Sr2Tl0.5

• Ca-Cu-O-Pb-Sr-Tl
• superconductivity
• superconducting transition temperature
• structural properties
• values of superconducting transition temperature
• electronic and electrical properties
• intermediate valence
• conductor
• chalcogen
• high-tc superconductor
• diamagnetic
• tetragonal