Ba-Ca-Cu-O-Tl, Ba-x polyhedra

• Ba-Ca-Cu-Hg-O-Tl
• Ba-Ca-Cu-O-Rb-Tl
• Ba-Ca-Cu-O-Pb-Sr-Tl
• Ba-Ca-Cu-O-Sr-Tl
• superconductivity
• electronic and electrical properties
• superconducting transition temperature
• values of superconducting transition temperature
• structural properties
• oxide
• transitional
• alkaline
• chalcogen
• cuprate
• tetragonal