Chalcogen, Disordered, Transitional, Karpinski, Orthorhombic

• Ba-Cu-O-Y
• Ba-Ca-Cu-O-Y
• Fe-Se
• Ba-Cu-O-Sr-Y
• As-F-Fe-O-Sm
• superconductivity
• superconducting transition temperature
• structural properties
• values of superconducting transition temperature
• electronic and electrical properties
• disordered
• chalcogen
• transitional
• conductor
• metal