Chalcogen, Rare earth, Transitional, Cu-Ru

• Cu-Gd-O-Ru-Sr
• Ce-Cu-Eu-O-Ru-Sr
• Ce-Cu-Gd-O-Ru-Sr
• Cu-O-Ru-Sr-Y
• Cu-Eu-O-Ru-Sr
• magnetic properties
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• conductivity or resistivity
• chalcogen
• transitional
• rare earth
• lanthanoid
• alkaline
• tetragonal
• cubic
• orthorhombic
• monoclinic
• triclinic