1. Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China.
2. School of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China.
3. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
4. National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, Mianyang 621900, China.
5. Department of Materials Science and Engineering, University of California Berkeley, Berkeley, CA 94720, USA.