1. School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
2. Key Laboratory of Special Functional Materials and Structural Design, Ministry of Education, Lanzhou University, Lanzhou 730000, China
3. Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou 730000, China
4. Vicia Semiconductor Technology (Beijing) Co., Ltd, Beijing 100071, China