1. Department of Mechanical Engineering, College of Engineering, City University of Hong Kong, Kowloon Tong, Kowloon 999077, Hong Kong SAR, China
2. Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China
3. Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
4. Department of Material Science and Engineering, College of Engineering, City University of Hong Kong, Kowloon Tong, Kowloon 999077, Hong Kong SAR, China