Chalcogen, Disordered, Rare earth, Karpinski, Orthorhombic

• Ba-Cu-O-Y
• Ba-Ca-Cu-O-Y
• Ba-Cu-O-Sr-Y
• Ba-Cu-Nd-O
• As-F-Fe-Nd-O
• superconductivity
• structural properties
• superconducting transition temperature
• electronic and electrical properties
• values of superconducting transition temperature
• transitional
• disordered
• rare earth
• chalcogen
• alkaline