1. Key Laboratory of Polar Materials and Devices (MOE), Shanghai Center of Brain-inspired Intelligent Materials and Devices, and Department of Electronics, East China Normal University, Shanghai 200241, China
2. Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150001, China
3. Felix-Bloch-Institut für Festkörperphysik, Universität Leipzig, Linnéstrasse 5, 04103 Leipzig, Germany
4. School of Physics, East China University of Science and Technology, Shanghai 200237, China