Chalcogen, Charge-density wave state, Conductor, Metal, Sulfide, S-Ta

• Fe-S-Ta
• S-Ta-Ti
• S-Se-Ta
• Na-S-Ta
• electronic and electrical properties
• phase transitions
• structural transitions
• temperature for structural transition
• thermal and thermodynamic properties
• conductor
• metal
• chalcogen
• charge-density wave state
• sulfide
• hexagonal
• trigonal
• orthorhombic
• monoclinic