Chalcogen, Conductor, Metal, Oxide, Khan, Tetragonal

• Ba-Ca-Cu-O-Tl
• Ba-Ca-Cu-O-Tl-Zn
• Fe-Mo-O-Sr
• Fe-Mo-Nd-O-Sr
• Ba-Cu-O-Y
• superconductivity
• superconducting transition temperature
• magnetic properties
• values of superconducting transition temperature
• optical properties
• oxide
• conductor
• metal
• chalcogen
• transitional