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Issue 4, 2011
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Evolution of crystallinity of free gold agglomerates and shape transformation

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Abstract

We report the shape evolution of free gold agglomerates with different morphologies that transform to ellipsoidal and then to spherical shapes during the heating cycle. The shape transformation is associated with a structural transition from polycrystalline to single crystalline. The structural transition temperature is shown to be dependent on the final size of the particles and not on the initial morphologies of the agglomerates. It is also shown that the transition occurs well below the melting temperature which is in contrast with the melt-freeze process reported in the literature.

Graphical abstract: Evolution of crystallinity of free gold agglomerates and shape transformation

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Publication details

The article was received on 25 May 2011, accepted on 26 Jun 2011 and first published on 24 Aug 2011


Article type: Communication
DOI: 10.1039/C1RA00208B
RSC Adv., 2011,1, 568-572

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    Evolution of crystallinity of free gold agglomerates and shape transformation

    K. K. Nanda, A. Maisels and F. E. Kruis, RSC Adv., 2011, 1, 568
    DOI: 10.1039/C1RA00208B

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