Modulation of electronic properties with external fields in silicene-based nanostructures

Li Geng^a),^b), Zhao Yin-Chang^a),^b), Zheng Rui^a),^b), Ni Jun†^a),^b), Wu Yan-Ning^c)

Two structures of Fe-doped silicene in the 4×4 supercell. (a) Fe atom is below Si plane, labeled as Fe-I. (b) Fe atom is above Si plane, labled as Fe-II. α _i and d _i are the bond angles and bond lengths, respectively.^{[ 18 ]}