Conductor, Metal, Superconductor, Transitional, Effective mass of electrons

• Pt-U
• Ru-Si-U
• Si-Ta
• Nb
• Ce-Ru-Si
• transitional
• metal
• conductor
• superconductor
• non-disordered
• cubic
• tetragonal
• hexagonal
• orthorhombic
• monoclinic