1. School of Materials Science and Engineering, Peking University, Beijing 100871, China
2. Beijing Key Laboratory for Magnetoelectric Materials and Devices, Beijing Innovation Center for Engineering Science and Advanced Technology, Peking University, Beijing 100871, China
3. Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing 100083, China
4. Department of Physics, Beijing Normal University, Beijing 100875, China
5. Institute of Spin-X Science and Technology, South China University of Technology, Guangzhou 510641, China