1. State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
2. Applied Mechanics Laboratory, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China
3. College of Chemistry and Material Engineering, Wenzhou University, Wenzhou 325035, China
4. Department of Electrical Engineering and Computer Science, The Henry Samueli School of Engineering, University of California, Irvine, California 92617, United States
5. State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China