*Boda Liu¹、Chao Qi²、Ross N Mitchell¹、Cin-Ty Lee³、Chuan-Zhou Liu⁴ (1.Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China、2.Center for High Pressure Science and Technology Advanced Research, Beijing, China、3.Department of Earth, Environmental & Planetary Sciences, Rice University, Houston, TX, USA、4.Laoshan Laboratory, Qingdao, China)