Chalcogen, Lanthanoid, Cu-La-O-Sr, Electrical conductivity

• Cu-Fe-La-O-Sr
• Cu-La-O-Pb-Sr
• Cu-La-O-Sr-Ta
• Cu-La-O-Ru-Sr
• lanthanoid
• oxide
• alkaline
• chalcogen
• rare earth
• tetragonal
• orthorhombic
• monoclinic
• trigonal
• cubic