1. Center for Advancing Materials Performance from the Nanoscale, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an, People’s Republic of China
2. Materials Department, University of California, Santa Barbara, CA, USA
3. Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, NM, USA
4. Department of Mechanical Engineering, University of California, Santa Barbara, CA, USA