1. Academy of Advanced Interdisciplinary Research, School of Advanced Materials and Nanotechnology, Xidian University, Xi’an 710126, China
2. Department of Physics, Shaanxi University of Science and Technology, Xi’an 710021, China
3. School of Physics and Electronic Engineering, Linyi University, Linyi 276005, China
4. National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures and Jiangsu Provincial Key Laboratory for Nanotechnology, Nanjing University, Nanjing 210093, China
5. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
6. Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, Shandong 250022, P. R. China