Ba-Cu-O-Y, Chalcogen, Prbmdo

• Ba-Cu-Fe-O-Y
• Ba-Cu-O-Pr-Y
• Ba-Cu-O-Y-Zn
• Ba-Co-Cu-O-Y
• electronic and electrical properties
• superconductivity
• superconducting transition temperature
• magnetic properties
• conductivity or resistivity
• transitional
• alkaline
• chalcogen
• rare earth
• high-tc superconductor
• orthorhombic
• tetragonal
• trigonal