1. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
2. School of Science, Wuhan University of Technology, Wuhan 430070, China
3. Hubei Engineering Research Center of Weak Magnetic-field Detection, College of Science, China Three Gorges University, Yichang 443002, China
4. School of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China
5. Laboratory of Magnetic and Electric Functional Materials and the Applications, The Key Laboratory of Shanxi Province, Taiyuan 030024, China