1. The Ultrafast Electron Imaging Lab, Department of Chemistry, and Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
2. Institute for Quantum Computing, Department of Physics and Astronomy, Department of Electrical and Computer Engineering, and Department of Chemistry, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
3. Key Laboratory of Materials Physics, Institute of Solid-State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
4. High Magnetic Field Laboratory, Chinese Academy of Sciences, HFIPS, Hefei 230031, China
5. Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China