Chalcogen, Charge-density wave state, Transitional, Hexagonal

• Nb-Se
• Co-Na-O
• S-Ta
• Se-Ta
• Nb-S
• electronic and electrical properties
• thermal and thermodynamic properties
• superconductivity
• magnetic properties
• conductivity or resistivity
• chalcogen
• charge-density wave state
• transitional
• metal
• conductor