1. School of Physics and Electronic Information, Yantai University, Yantai264005, P.R. China
2. School of Physics and Electronic Engineering, Linyi University, Linyi276005, P.R. China
3. European Synchrotron Radiation Facility (ESRF), Grenoble38000, France
4. Department of Chemistry and Biochemistry, California State University, Northridge, California91330, United States
5. Center for High Pressure Science and Technology Advanced Research, Beijing100094, P.R. China