Chalcogen, Conductor, Rare earth, Electrical conductivity

• Ce-Gd-O
• La-Mo-O
• Ce-O-Sm
• Ga-La-Mg-O-Sr
• Cu-La-O-Sr
• Hall effect
• conductor
• rare earth
• chalcogen
• lanthanoid
• transitional
• orthorhombic
• cubic
• tetragonal
• trigonal
• monoclinic