1. Key Laboratory for Advanced Materials Processing Technology
2. Ministry of Education of China
3. State Key Laboratory of Tribology
4. Department of Mechanical Engineering
5. Tsinghua University
6. Department of Chemistry
7. Beijing 100084
8. PR China
9. Laser Micro-/Nano-Fabrication Laboratory
10. School of Mechanical Engineering
11. Beijing Institute of Technology
12. Beijing 100081