Chemical modification of silicene

Wang Rong^a), Xu Ming-Sheng^b), Pi Xiao-Dong†^c)

(a) STM image of the 4× 4 silicene oxidized under oxygen dose of 600 L. (b) Si 2p core level XPS spectra of 4× 4 silicene on Ag (111) after oxidation. Energy versus k dispersion measured by ARPES for the 4× 4 silicene before (c) and after (d) oxidation.^{[ 51 ]}