Silicene: from monolayer to multilayer — A concise review
Li Hui†, Hui-Xia Fu, Meng Sheng
       
(a) Large scale and (b) high resolution STM images of silicene at tip bias 1.0 V at 77 K. (c) LEED pattern of silicene at 51.4 eV. (d) Filtered high resolution STM images of silicene at 0.1 V at 4 K.[ 18 ]