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Lattice parameter of nanocrystalline copper as a function of temperature. Square dots are for nanoparticles with cuprite on the surface, under He below and under above . After particles undergo gradual refinement of the cuprite layer by reduction. Dot size is of the order of the error bar. The solid curve is thermal expansion of copper single crystal (after Ref. 9).
Surface energy of nanoparticles as a function of temperature [estimated from relation (3)].
Heat of adsorption per surface occupied by a molecule for various mode of hydrocarbons adsorption on .
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