Ce-Cu-Gd-O-Ru-Sr, Ru-x polyhedra, Structural properties

• Ca-Ce-Cu-Gd-O-Ru-Sr
• Ce-Cu-Gd-Nb-O-Ru-Sr
• Ce-Cu-Gd-Nb-O-Ru-Sr-Tb
• Ce-Cu-Gd-Nb-Nd-O-Ru-Sr
• cuprate
• chalcogen
• alkaline
• disordered
• tetragonal