Affiliation: | 1. Center for Nanoscale Characterization and Devices, Wuhan National Laboratory for Optoelectronics–School of Physics–School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, PR China;2. Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Faculty of Physics and Electronic Science, Hubei University, Wuhan, PR China;3. Department of Physics, Florida International University, Miami, FL, USA;4. School of Physics and Technology, Center for Electron Microscopy and MOE Key Laboratory of Artificial Micro‐ and Nano‐Structures, Wuhan University, Wuhan, PR China |