1. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
2. Institute of Flexible Electronics, Northwestern Polytechnical University, Xi’an 710072, China
3. School of Astronautics, Harbin Institute of Technology, Harbin 150001, China
4. School of Physics, Harbin Institute of Technology, Harbin 150001, China
5. Accelerator Center, Heilongjiang Institute of Atomic Energy, Harbin 150086, China