Ba2Cu4O8Y, Chalcogen, Non-disordered, Quaternary

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