1. School of Materials Science and Engineering Harbin Institute of Technology No. 92, West Dazhi Street, Nan Gang District 150001 Harbin China
2. Space Environment Simulation Research Infrastructure Harbin Institute of Technology No. 92, West Dazhi Street, Nan Gang District 150001 Harbin China
3. School of Physics Harbin Institute of Technology No. 92, West Dazhi Street, Nan Gang District 150001 Harbin China