[1] Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guangxi, Guilin,541004, China
[2] School of Materials Science and Engineering, Shandong University, Jinan,250061, China
[3] National Special Mineral Materials Engineering Technology Research Center, Guangxi Key Laboratory of Superhard Materials, China Nonferrous Metal(Guilin)Geology and Mining Co.,Ltd., Guangxi, Guilin,541004, China