1. Department of Electrical and Electronic Engineering The University of Hong Kong Pokfulam Road Hong Kong China
2. Nanotechnology and Application Center Master Dynamic Ltd. Hong Kong China
3. Department of Materials Science and Engineering City University of Hong Kong Hong Kong China
4. Shenzhen JL Computational Science and Applied Research Institute Shenzhen 518109 China
5. Beijing Computational Science Research Center Beijing 100193 China
6. Dongguan Institute of Opto-Electronics Peking University Dongguan 523808 China
7. School of Microelectronics Southern University of Science and Technology Shenzhen 518055 China