| Affiliation: | 1. Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science, Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, P. R. China;2. Laser Micro‐/Nano‐Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing, P. R. China;3. Key Laboratory for Advanced Materials Processing Technology, Ministry of Education of China, State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing, P. R. China |
