1. Department of Applied
Physics, Nanjing University of Science and Technology, Nanjing 210094, People’s Republic of China
2. School of
Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, People’s Republic of China
3. Information Physic Research Center, School of Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, People’s Republic of China
4. State Key Lab of Molecular Reaction Dynamics, Dalian Institute of
Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China