Ba-Ca-Cu-O-Tl, Chalcogen, Square pyramid 5-vertex, Superconductivity

• Ba-Ca-Cu-Hg-O-Tl
• Ba-Bi-Ca-Cu-O-Pb-Sr-Tl
• Ba-Ca-Cu-O-Sr-Tl
• Ba-Ca-Cu-O-Pb-Sr-Tl
• superconducting transition temperature
• values of superconducting transition temperature
• critical current density
• values of critical current density
• critical magnetic field
• alkaline
• chalcogen
• conductor
• cuprate
• disordered
• tetragonal