1. State Key Laboratory for Mesoscopic Physics, Department of Physics, Peking University, Beijing 100871, China
2. State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
3. National Key Laboratory and Incubation Base of Photoelectric Technology and Functional Materials, School of Physics, Northwest University, Xi’an 710069, China
4. Collaborative Innovation Center of Quantum Matter, Beijing, China