Ce-Cu-Gd-O-Ru-Sr, Electronic and electrical properties, Ru-x polyhedra

• Ce-Cu-Gd-Nb-Nd-O-Ru-Sr
• Ce-Cu-Gd-Nb-O-Ru-Sr
• Ce-Cu-Gd-Nb-O-Ru-Sr-Tb
• Ca-Ce-Cu-Gd-O-Ru-Sr
• conductivity or resistivity
• electrical resistivity
• valence or charge transfer
• disordered
• lanthanoid
• chalcogen
• alkaline
• rare earth
• tetragonal