Affiliation: | 1. State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, Department of Physics, Peking University, Beijing, China;2. Collaborative Innovation Center of Quantum Matter, Beijing, China;3. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA;4. Department of Polymer Science and Engineering, University of Massachusetts, Amherst, MA, USA;5. Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi, China |