1. Key Laboratory for Magnetism and Magnetic Materials, Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China
2. Key Laboratory of Special Function Materials and Structure Design, Ministry of Education, Lanzhou University, Lanzhou 730000, People’s Republic of China
3. Hubei Province Engineering Research Center for Intelligent Micro-nano Medical Equipment and Key Technologies, School of Electrical and Electronics Engineering, No. 1 Sunshine Avenue, Jiangxia District, Wuhan 43000, People’s Republic of China