Chalcogen, Karpinski, Orthorhombic

• Ba-Cu-O-Y
• Ba-Ca-Cu-O-Y
• Fe-Se
• As-Fe-O-P-Sm
• Ca-Cu-O
• superconductivity
• structural properties
• superconducting transition temperature
• electronic and electrical properties
• values of superconducting transition temperature
• transitional
• chalcogen
• rare earth
• conductor
• alkaline