Cu-Gd-O-Ru-Sr, Tetragonal, Trigonal bipyramid 5-vertex

• Ba-Cu-Gd-O-Ru-Sr
• magnetic properties
• electronic and electrical properties
• superconductivity
• conductivity or resistivity
• superconducting transition temperature
• cuprate
• disordered
• alkaline
• chalcogen
• high-tc superconductor