1. School of Nano Technology and Nano Bionics, University of Science and Technology of China, Hefei 230026, China
2. Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, CAS, Suzhou 215123, China
3. School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
4. The College of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China
5. Enkris Semiconductor, Suzhou 215123, China
6. Suzhou Powerhouse Electronics Co., Ltd, Suzhou 215123, China