1. Department of Physics, Hanyang University, Seoul 04763, Korea
2. Institute for High Pressure, Hanyang University, Seoul 04763, Korea
3. Department of Chemistry, Hanyang University, Seoul 04763, Korea
4. Partnership for Extreme Crystallography, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
5. Center for High Pressure Science & Technology Advanced Research, Shanghai 201203, P. R. China
6. Center for High Pressure Science (CHiPS), State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, Hebei 066004, P. R. China
7. Institute of Nano Science and Technology, Hanyang University, Seoul 04763, Korea
8. Research Institute for Natural Sciences, Hanyang University, Seoul 04763, Korea