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Issue 23, 2011
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Heterogeneous and homogeneous crystal nucleation in colloidal hard-sphere like microgels at low metastabilities

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Abstract

We studied the crystallization kinetics of the homogeneous bulk as well as of the heterogeneous wall crystallization in a colloidal hard sphere model system within the fluid crystal coexistence region. Using time resolved static light scattering and Bragg microscopy we determined several parameters characterizing the crystallization process (induction times, growth coefficients, nucleation rate densities,…). By performing further analysis according to classical nucleation theory we can show that wall crystallization is favored by a vanishing nucleation barrier height leading to the conclusion that a hard sphere crystal completely wets a structureless hard wall.

Graphical abstract: Heterogeneous and homogeneous crystal nucleation in colloidal hard-sphere like microgels at low metastabilities

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Publication details

The article was received on 09 Jun 2011, accepted on 13 Sep 2011 and first published on 17 Oct 2011


Article type: Paper
DOI: 10.1039/C1SM06081C
Citation: Soft Matter, 2011,7, 11267-11274
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    Heterogeneous and homogeneous crystal nucleation in colloidal hard-sphere like microgels at low metastabilities

    M. Franke, A. Lederer and H. J. Schöpe, Soft Matter, 2011, 7, 11267
    DOI: 10.1039/C1SM06081C

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