1. State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China
2. Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
3. School of Biology and Medicine, Beijing City University, Beijing 100094, China
4. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
5. Department of Physics, Capital Normal University, Beijing Advanced Innovation Center of Imaging Technology, Key Laboratory of Terahertz Optoelectronics, Ministry of Education, Beijing 100048, China
6. School of Biological and Environmental Sciences, Kwansei Gakuin University, Sanda, Hyogo 669-1337, Japan
7. Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, United States