Plasmon reflection reveals local electronic properties of natural graphene wrinkles Project supported by the National Key Research and Development Program of China (Grant No. 2016YFA0203500), the National Natural Science Foundation of China (Grant No. 11874407), and Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB 30000000). |
The simulation of graphene plasmons reflected by the wrinkle. (a) The schematic of simulation model. (b) Comparison of experimental data (black square) and simulation results (solid line) with different variation of Fermi energy. (c) and (d) The spatial distribution of |Ez| corresponding to different variation of Fermi energy. |