1. Hong Kong Branch of National Precious Metals Material Engineering Research CentreDepartment of Material Science and EngineeringCity University of Hong Kong Hong Kong 999077 China
2. Center of Super-Diamond and Advanced Films (COSDAF)City University of Hong Kong Tat Chee Avenue 83, Kowloon Hong Kong 999077 China
3. Department of Mechanical EngineeringCity University of Hong Kong Hong Kong 999077 China
4. Department of Materials Science and EngineeringCity University of Hong Kong Hong Kong 999077 China
5. Department of Applied PhysicsThe Hong Kong Polytechnic University Hong Kong 999077 China
6. Department of ChemistryCity University of Hong Kong Hong Kong 999077 China
7. City University of Hong Kong Shenzhen Research InstituteGreater Bay Joint Division, Shenyang National Laboratory for Materials Science Shenzhen China