1. TRACE EM Unit and Department of Materials Science and Engineering, City University of Hong Kong , Kowloon, Hong Kong SAR , People’s Republic of China
2. City University of Hong Kong Matter Science Research Institute (Futian, Shenzhen) , Shenzhen , People’s Republic of China
3. Nanomanufacturing Laboratory ( , Shenzhen , People’s Republic of China
4. NML), City University of Hong Kong Shenzhen Research Institute ( , Shenzhen , People’s Republic of China
5. Chengdu Research Institute, City University of Hong Kong , Chengdu , People’s Republic of China