1. School of Mathematics and PhysicsJiangsu University of TechnologyChangzhou213000People's Republic of China
2. State Key Laboratory of Silicon MaterialsZhejiang UniversityHangzhou310027People's Republic of China
3. Key Laboratory of Microelectronic Devices & Integrated TechnologyInstitute of MicroelectronicsChinese Academy of SciencesBeijing100029People's Republic of China
4. State‐Key Laboratory of Optoelectronic Materials and TechnologySchool of PhysicsSun Yat‐Sen UniversityGuangzhou510275People's Republic of China