1. Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing, 100094, P. R. China
2. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, P. R. China
3. College of Chemistry and Environmental Science, Hebei University, No. 180 Wusidong Road. Baoding 071002, Hebei, P. R. China
4. Pohang Accelerator Laboratory, POSTECH, Pohang 790-784, Republic of Korea
5. School of Materials Science and Engineering, Nankai University, Tianjin 300350, P. R. China