1. Guangdong Provincial Key Laboratory of Magnetoelectric Physics and Devices, School of Physics, Sun Yat-Sen University, Guangzhou 510275, People’s Republic of China
2. State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-Sen University, Guangzhou 510275, People’s Republic of China
3. Centre for Physical Mechanics and Biophysics, School of Physics, Sun Yat-Sen University, Guangzhou 510275, People’s Republic of China
4. Hunan Provincial Key Laboratory of Intelligent Sensors and Sensor Materials, School of Physics and Electronics, Hunan University of Science and Technology, Xiangtan 411201, People’s Republic of China