Teng ming chen

• Ag-Ba-Cu-O-Y
• Ba-Cu-O-Y
• electronic and electrical properties
• superconductivity
• conductivity or resistivity
• superconducting transition temperature
• values of superconducting transition temperature
• rare earth
• high-tc superconductor
• chalcogen
• non-disordered
• cuprate
• orthorhombic