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Letter
Nature Materials 7, 115–119 (1 February 2008) | doi:10.1038/nmat2085
Mechanical annealing and source-limited deformation in submicrometre-diameter Ni|[nbsp]|crystals
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Abstract
The fundamental processes that govern plasticity and determine strength in crystalline materials at small length scales have been studied for over fifty years. Recent studies of single-crystal metallic pillars with diameters of a few tens of micrometres or less have clearly demonstrated that the strengths of these pillars increase as their diameters decrease, leading to attempts to augment existing ideas about pronounced size effects with new models and simulations.
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