1. Department of Materials Science and Engineering
2. Monash University
3. Clayton
4. Australia
5. School of Physics and Technology, and MOE Key Laboratory of Artificial Micro- and Nano-structures
6. Wuhan University
7. Wuhan 430072
8. China
9. School of Electronic and Computer Engineering
10. College of Electronic Science and Technology and College of Optoelectronics Engineering
11. State Key Laboratory of Functional Materials for Informatics
12. Shanghai Institute of Microsystem and Information Technology
13. Chinese Academy of Sciences
14. Shanghai
15. Center for Electron Microscopy