Alkaline, Lanthanoid, Cu-Ru

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