1. Center for Advancing Materials Performance from the Nanoscale (CAMP-Nano) & Hysitron Applied Research Center in China (HARCC), State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, P. R. China
2. Hysitron
Incorporated, 9625 West 76th St, Minneapolis, Minnesota 55344, United States
3. Department
of Nuclear Science and Engineering and Department of Materials Science
and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
4. Department of Materials Science and Engineering, The Johns Hopkins University, Baltimore, Maryland 21218, United States