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The 5×{}1 and 3×{}1 commensurate reconstructions have been found on a (001) facet of a gold particle by profile images of ultrahigh vacuum high-resolution transmission electron microscopy. The 5×{}1 reconstructed surface layer is contracted inward in the surface-normal direction by 20% of a (002) spacing (=0.20 nm) from the hard-sphere model, and is strained-soliton-like in the surface-parallel direction.
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Mitome et al. (1990) studied this question.
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