| Affiliation: | 1. State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, P. R. China;2. School of Physical Science and Technology, Lanzhou University, Lanzhou, P. R. China;3. Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, NM, USA;4. Department of Physics and Materials Science, City University of Hong Kong, Kowloon, Hong Kong, China;5. International Centre for Quantum and Molecular Structures and Department of Physics, Shanghai University, Shanghai, China;6. Department of Physics, East China Normal University, Shanghai, China;7. Department of Physics, University at Buffalo, State University of New York, Buffalo, NY, USA |
