Charge distribution in graphene from quantum calculation Project supported by the National Natural Science Foundation of China (Grant Nos. 11764027 and 11364025) and the Chinese Scholarship Council (Grant No. 201408625041). |
(color online) (a) Graphenes with different widths and x = constant, (b) double-bond atomic charge at armchair-edge along Y-axis of graphene, (c) graphenes with different widths and y = constant, and (d) double-bond atomic charge at armchair edge along the Y-axis of graphene, where the colors correspond to the different graphene sheets. |