De giorgi

• Ba-Cu-Er-O
• Ba-Cu-O-Y
• Br-Cs-Pb
• As-Ga
• superconductivity
• values of superconducting transition temperature
• superconducting transition temperature
• critical magnetic field
• magnetic properties
• non-disordered
• high-tc superconductor
• rare earth
• chalcogen
• cuprate
• orthorhombic