Alkaline, Rare earth, Gd-Ru, Tetragonal

• Cu-Gd-O-Ru-Sr
• Ce-Cu-Gd-O-Ru-Sr
• Ce-Cu-Gd-O-Pr-Ru-Sr
• Cu-Gd-La-O-Ru-Sr
• Cu-Gd-Nd-O-Ru-Sr
• magnetic properties
• electronic and electrical properties
• conductivity or resistivity
• thermal and thermodynamic properties
• superconductivity
• transitional
• rare earth
• alkaline
• lanthanoid
• chalcogen