1. Department of Microelectronics, Key Laboratory of Micro-Nano Electronics and System Integration of Xi’an City, School of Electronic and Information Engineering, Xi’an Jiaotong University, Shaanxi, Xi’an, China
2. Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi’an Jiaotong University, Shaanxi, Xi’an, China
3. College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, China