Chalcogen, Conductor, Oxide, Khan, Tetragonal

• Ba-Ca-Cu-O-Tl
• Ba-Ca-Cu-O-Tl-Zn
• Ba-Be-Ca-Cu-O-Tl
• Ba-Ca-Cu-Mg-O-Tl-Zn
• Fe-Mo-O-Sr
• superconductivity
• superconducting transition temperature
• values of superconducting transition temperature
• magnetic properties
• electronic and electrical properties
• chalcogen
• conductor
• oxide
• transitional
• alkaline