Charge-density wave state, Fermi surface

• Nb-Se
• Ru-Si-U
• Ba-Cu-O-Y
• As-Co-Fe-Na
• Te-Zr
• charge-density wave state
• metal
• non-disordered
• transitional
• conductor
• tetragonal
• orthorhombic
• hexagonal
• monoclinic
• cubic