[1] Department of Physics, City University of Hong Kong, 999077, Hong Kong
[2] Argonne National Laboratory, X-Ray Science Division, Argonne, IL,60439, United States
[3] Herbert Gleiter Institute of Nanoscience, China
[4] Shenzhen Research Institute, City University of Hong Kong, Shenzhen,518057, China
[5] Changsha University of Science and Technology, Changsha,410004, China