Alkaline, Chalcogen, Disordered, Ce-Cu-Eu-O-Ru-Sr, Ru-x polyhedra

• Ce-Cu-Eu-O-Ru-Sn-Sr
• Ce-Cu-Eu-Mn-O-Ru-Sr
• Ba-Ce-Cu-Eu-O-Ru-Sr
• Ce-Cu-Eu-La-O-Ru-Sr
• magnetic properties
• electronic and electrical properties
• magnetization
• thermal and thermodynamic properties
• conductivity or resistivity
• cuprate
• disordered
• alkaline
• chalcogen
• high-tc superconductor
• tetragonal