1. State Key Laboratory of Advanced Welding and Joining Harbin Institute of Technology Harbin 150001 China
2. National Key Laboratory for Precision Hot Processing of Metals and School of Materials Science and Engineering Harbin Institute of Technology Harbin 150001 China
3. Department of Physics South University of Science and Technology of China Shenzhen 518055 China
4. Department of Physics and TcSUH University of Houston Houston TX 77204 USA