Contact: Jordan Reese
University of Pennsylvania
Caption: Atomic configuration of nucleation (blue atom group) in the surface layer of a square copper nanowire (yellow and green atoms) under uniaxial stress. Nucleation occurs at a partial dislocation in the surface layer. Colors refer to the breaking of local inversion symmetry.
Credit: Physical Review Letters and Ju Li, Department of Materials Science in the School of Engineering and Applied Science at Penn.
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