Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China;
Northwest Institute of Nuclear Technology, Xi'an 710024, China;
Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China;
Northwest Institute of Nuclear Technology, Xi'an 710024, China;
Northwest Institute of Nuclear Technology, Xi'an 710024, China;