1. Department of Physics, Nanchang University, Nanchang 330031, China
2. Jiangxi Key Laboratory of Nanomaterials and Sensors, School of Physics, Communication and Electronics, Jiangxi Normal University, Nanchang 330022, China
3. School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China
4. Key Lab of Advanced Transducers and Intelligent Control System, Ministry of Education and Shanxi Province, College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China
5. Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, China