Condorelli

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