Ce-Cu-Gd-O-Ru-Sr, Chalcogen, Ru-x polyhedra

• Ce-Cu-Gd-Nb-O-Ru-Sr
• Ce-Cu-Gd-Nb-O-Ru-Sr-Tb
• Ce-Cu-Gd-Nb-Nd-O-Ru-Sr
• Ca-Ce-Cu-Gd-O-Ru-Sr
• magnetic properties
• electronic and electrical properties
• magnetization
• superconductivity
• conductivity or resistivity
• disordered
• lanthanoid
• chalcogen
• alkaline
• rare earth
• tetragonal