1. State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, 5340 Xiping Road, Tianjin 300401, People's Republic of China
2. Tianjin Key Laboratory of Electronic Materials and Devices, School of Electronics and Information Engineering, Hebei University of Technology, 5340 Xiping Road, Tianjin 300401, People's Republic of China
3. Key Laboratory of Nano-Devices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, People's Republic of China
4. School of Nano Technology and Nano Bionics, University of Science and Technology of China, Hefei 230026, People's Republic of China
5. Suzhou Institute of Nano-Tech and Nano-Bionics, CAS, Foshan 528000, People's Republic of China