Khurram

• Ba-Ca-Cu-O-Tl
• Ba-Ca-Cu-Mn-O-Tl
• Ba-Ca-Cu-Mg-O-Tl
• Ba-Ca-Cu-Hg-O-Tl
• Ba-C-Ca-Cu-O-Tl
• superconductivity
• superconducting transition temperature
• values of superconducting transition temperature
• optical properties
• electronic and electrical properties
• oxide
• chalcogen
• alkaline
• transitional
• conductor
• tetragonal
• orthorhombic