Alkaline, Conductor, Non-disordered, Karpinski

• Ba-Cu-O-Y
• B-Mg
• Al-B-Mg
• Ba-Cu-Ho-O
• Ba-Cu-Er-O
• superconductivity
• electronic and electrical properties
• structural properties
• superconducting transition temperature
• conductivity or resistivity
• non-disordered
• conductor
• alkaline
• diamagnetic
• disordered
• orthorhombic
• hexagonal
• tetragonal