College of Aerospace Engineering;
Chongqing University;
Chongqing 400044;
China;
State Key Laboratory of Coal Mining Disaster Dynamics and Control;
Chongqing University;
Chongqing 400044;
China;
Institute of Advanced Structure Technology;
Beijing Institute of Technology;
Beijing 100081;
China;
Ultrahard carbon materials; Biphasic structure; Extreme shear strain; Phase transition; First principle calculation;