1. CAS
Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
2. Beijing
National Laboratory for Molecular Sciences and State Key Laboratory
of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
3. High
Pressure Science and Engineering Center (HiPSEC), University of Nevada, Las Vegas, Nevada 89154, United States
4. Department
of Chemistry and Biochemistry, Northern Illinois University, DeKalb, Illinois 60115, United States
5. State
Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, P. R. China