Pressure-induced transition in the grain boundary of diamond

Jiuhua Chen1,2, Lingyun Tang1, Chunli Ma1, Dawei Fan3, Bin Yang1, Qingxin Chu1 and Wenge Yang4,5, (1)Center for High Pressure Science and Technology Advanced Research, Changchun, China, (2)Florida International University, Mechanical and Materials Engineering, Miami, United States, (3)CAS Chinese Academy of Sciences, Beijng, China, (4)Center for High Pressure Science & Technology Advanced Research, Shanghai, China, (5)Florida International Univ., Miami, FL, United States