Institution: | 1 School of Electronic Engineering and Photo-Electric Technology, Nanjing University of Science and Technology, Nanjing 210094, China 2 Department of Electronic Engineering, City University of Hong Kong, Kowloon Tang, Hong Kong 999077, China 3 Key Laboratory of Nano-Fabrication and Novel Devices Integrated Technology, Institute of Microelectronic of Chinese Academy of Sciences, Beijing 100029, China |