Chalcogen, Khan, Superconducting transition temperature

• Ba-Ca-Cu-O-Tl
• Ba-Ca-Cu-O-Tl-Zn
• Ba-Be-Ca-Cu-O-Tl
• Ba-Ca-Cu-Mg-O-Tl
• Bi-Ca-Cu-O-Pb-Sr
• values of superconducting transition temperature
• lowest temperature of investigation
• superconductivity phenomena
• chalcogen
• conductor
• transitional
• alkaline
• oxide
• tetragonal
• orthorhombic
• cubic