Silicene spintronics — A concise review*
Wang Yang-Yanga),c), Quhe Ru-Gea),d),e),f), Yu Da-Penga),b), Lü Jing‡a),b)
       
Valley-associated edge modes for the valley-polarized QAHE. Colors are used to label the edge modes localized at opposite boundaries. Reproduced with permission from Ref. [ 44 ]. Copyright 2014 American Physical Society.