Conductor, Diamagnetic, Superconductor, Karpinski, Orthorhombic

• Ba-Cu-O-Y
• As-Eu-Fe
• Fe-Se
• As-Fe-O-Sm
• As-Ba-Fe-K
• superconductivity
• superconducting transition temperature
• magnetic properties
• values of superconducting transition temperature
• electronic and electrical properties
• metal
• diamagnetic
• conductor
• antiferromagnetic
• superconductor