1. Key Laboratory of Magnetism and Magnetic Materials of the Ministry of Education, School of Physical Science and Technology, Lanzhou University, Lanzhou730000, China
2. State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun130022, China
3. University of Science and Technology of China, Hefei230026, China
4. Huzhou Kunlun Enchem Battery Materials Co., Ltd., Huzhou31300, Zhejiang, China