1. Department of Physics, Key Laboratory of Quantum State Construction and Manipulation, Ministry of Education, Renmin University of China, Beijing 100872, China
2. Laboratory for Neutron Scattering, Department of Physics, Renmin University of China, Beijing 100872, China
3. Department of Physics, University of Science and Technology of China, Hefei 230031, Anhui, China
4. Anhui Key Laboratory of Low-Energy Quantum Materials and Devices, High Magnetic Field Laboratory, HFIPS, Chinese Academy of Sciences, Hefei, Anhui 230031, China
5. Quzhou University, Quzhou, Zhejiang 32400, China
6. China Institute of Atomic Energy, PO Box 275-30, Beijing 102413, China