1. Institute for Quantum Materials and Technologies, Karlsruhe Institute of Technology, D-76021 Karlsruhe, Germany
2. School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
3. ShanghaiTech Laboratory for Topological Physics, Shanghai 201210, China
4. Low Temperature Physics Laboratory, College of Physics and Center of Quantum Materials and Devices, Chongqing University, Chongqing 401331, China
5. Karlsruhe Nano Micro Facility (KNMFi), Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany