Ba-Cu-O-Pr, Electrical resistivity, Pr-x polyhedra

• Ba-Cu-O-Pr-Y
• Ba-Ca-Cu-O-Pr
• Ba-Cu-Eu-O-Pr
• Ba-Cu-O-Pr-Sr
• disordered
• chalcogen
• alkaline
• cuprate
• high-tc superconductor
• orthorhombic
• tetragonal