Chalcogen, Charge-density wave state, Conductor, Upper critical magnetic field

• Ba-Cu-O-Y
• Nb-Se
• Pd-Ta-Te
• Mo-Se-Tl
• Fe-S-Ta
• chalcogen
• charge-density wave state
• conductor
• metal
• transitional
• orthorhombic
• hexagonal
• monoclinic
• tetragonal
• trigonal