Abstract
The present study applies high-resolution transmission electron microscopy with a combination of geometric phase analysis to characterize atomic structures of a twist grain boundary in gold, illuminating the presence of misfit dislocations with a stand-off distance from the grain boundary. The formation of the stand-off misfit dislocations is attributed to a difference in shear modulus between the two grains bordering the grain boundary, which originates in elastic anisotropy of Au.
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