Disordered, Metal, Rare earth, Effective mass of electrons

• Ce-Ru-Si
• Ba-Cu-O-Y
• B-La
• C-La-Ni
• Eu-Pd
• metal
• disordered
• rare earth
• lanthanoid
• non-disordered
• cubic
• tetragonal
• orthorhombic
• trigonal
• hexagonal