Ba-Cu-O-Y, Chalcogen, Orthorhombic, Resistivity

• Ba-Cu-O-Pr-Y
• Ba-Cu-O-Y-Zn
• Ba-Ca-Cu-O-Y
• Ba-Cu-Fe-O-Y
• electronic and electrical properties
• conductivity or resistivity
• electrical resistivity
• transitional
• alkaline
• chalcogen
• rare earth
• high-tc superconductor