1. College of Physics and Engineering
2. Changshu Institute of Technology and Jiangsu Laboratory of Advanced Functional materials
3. Changshu 215500
4. China
5. Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education
6. Lanzhou University
7. Lanzhou 730000
8. College of Physics
9. Optoelectronics and Energy
10. Soochow University
11. Suzhou