1 Beihang University, Fert Beijing Institute, Advanced Innovation Center for Big Data and Brain Computing, School of Microelectronics, Beijing, China
2 Beihang University, School of Electronic and Information Engineering, Beijing, China
3 Chinese Academy of Sciences, Institute of Physics, Beijing National Laboratory for Condensed Matter Physics, Beijing, China
4 University of Chinese Academy of Sciences, School of Physical Sciences, Beijing, China
5 Beihang University, Beihang-Goertek Joint Microelectronics Institute, Qingdao Research Institute, Qingdao, China
6 Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, China