1. Institute of Physics, Chinese Academy of Science, Beijing 100190, China
2. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China
3. NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
4. Department of Physics, Fudan University, Shanghai 200433, China
5. Department of Physics and Center for Advanced Quantum Studies, Beijing Normal University, Beijing 100875, China
6. Collaborative Innovation Center of Quantum Matter, Beijing 100190, China
7. Songshan Lake Materials Laboratory, Dongguan 523808, China