1. School of Materials Science and Engineering, Peking University, Beijing100871, China
2. Beijing Key Laboratory for Magnetoelectric Materials and Devices, Beijing Innovation Center for Engineering Science and Advanced Technology, Peking University, Beijing100871, China
3. State Key Laboratory for Mesoscopic Physics, School of Physics, Beijing Key Laboratory for Magnetoeletric Materials and Devices, Peking University, Beijing100871, China
4. State Key Laboratory of Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing100083, China
5. School of Integrated Circuit Science and Engineering, Beihang University, Beijing100191, China
6. Institute of Spin-X Science and Technology, South China University of Technology, Guangzhou510641, China