Conductor, Metal, Superconductor, Energy band structure

• Ba-Cu-O-Y
• Fe-Se
• As-Ba-Fe
• Ni
• Cu-La-O
• electron energy band structure
• Fermi surface
• Fermi energy
• Brillouin zone
• energy at Fermi level
• conductor
• metal
• superconductor
• non-disordered
• transitional
• cubic
• tetragonal
• hexagonal
• orthorhombic
• trigonal