Ba2Ca3Cu4.5Hg0.5O11Tl0.5

• Ba-Ca-Cu-Hg-O-Tl
• conductivity or resistivity
• superconductivity
• electronic and electrical properties
• superconducting transition temperature
• values of superconducting transition temperature
• diamagnetic
• conductor
• chalcogen
• high-tc superconductor
• alkaline
• tetragonal