1. College of Electronic Information and Optical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
2. National Key Lab of Spintronics, Institute of International Innovation, Beihang University, Yuhang District, Hangzhou, 311115, China
3. Fert Beijing Institute, MIIT Key Laboratory of Spintronics, School of Integrated Circuit Science and Engineering, Beihang University, Beijing 100191, China