Chalcogen, Disordered, Lanthanoid, Rare earth, Values of electronic energy gap

• La-Mn-O-Sr
• Ce-O
• Ca-La-Mn-O
• Ba-La-Mn-O
• Cu-La-O
• rare earth
• chalcogen
• disordered
• lanthanoid
• cubic
• tetragonal
• orthorhombic
• monoclinic
• trigonal