1. Hong Kong Branch of National Precious Metals Material Engineering Research Centre, City University of Hong Kong, Hong Kong, China
2. Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Hong Kong, China
3. Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, China
4. Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
5. Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, Greater Bay Joint Division, Shenyang National Laboratory for Materials Science, Shenzhen 518045, China
6. CityU-Shenzhen Futian Research Institute, Shenzhen 518045, China