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Atomic structure of a Σ = 21 grain boundary
Published online by Cambridge University Press: 31 January 2011
Abstract
An electron microscope structure image of a σ = 21/[111] tilt grain boundary in Au was obtained and atomic column positions identified to yield a structural unit model of the interface consisting of repeating polyhedron shapes. This result represents the smallest projected spacings at a grain boundary containing defect structures imaged by an electron microscope and interpreted atomistically.
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