Chalcogen, Conductor, Non-disordered, Transitional, Residual resistivity ratio

• Nb-Se
• Fe-Se
• Se-Ta
• S-Ta
• Nb-S
• non-disordered
• transitional
• conductor
• chalcogen
• metal
• hexagonal
• tetragonal
• orthorhombic
• trigonal
• monoclinic