Ba2CuTl2O6.1 oF68 69

• Ba-Cu-O-Tl
• Ba-Cu-Lu-O
• structural properties
• superconducting transition temperature
• superconductivity
• values of superconducting transition temperature
• magnetic properties
• quaternary
• conductor
• chalcogen
• high-tc superconductor
• alkaline
• orthorhombic