Effective mass electrons in conduction band - composition diagram, Rare earth

• Ba-Cu-O-Y
• Ca-La-Mn-O
• La-Mn-O-Sr
• Cu-La-O-Sr
• Ce-Cu-Nd-O
• rare earth
• transitional
• lanthanoid
• metal
• disordered
• orthorhombic
• tetragonal
• cubic
• hexagonal
• trigonal