1. College of Materials Science and Engineering and Key Laboratory of Advanced Functional Materials
2. Education Ministry of China
3. Beijing University of Technology
4. Beijing
5. China
6. Key Laboratory of Micro-nano Measurement-Manipulation and Physics
7. Ministry of Education of China
8. Department of Physics
9. Beihang University
10. Beijing 100191
11. Institute of Microstructure and Property of Advanced Materials
12. Beijing 100124