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Issue 37, 2016
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Crystallization kinetics of binary colloidal monolayers

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Abstract

Experiments and simulations are used to study the kinetics of crystal growth in a mixture of magnetic and nonmagnetic particles suspended in ferrofluid. The growth process is quantified using both a bond order parameter and a mean domain size parameter. The largest single crystals obtained in experiments consist of approximately 1000 particles and form if the area fraction is held between 65–70% and the field strength is kept in the range of 8.5–10.5 Oe. Simulations indicate that much larger single crystals containing as many as 5000 particles can be obtained under impurity-free conditions within a few hours. If our simulations are modified to include impurity concentrations as small as 1–2%, then the results agree quantitatively with the experiments. These findings provide an important step toward developing strategies for growing single crystals that are large enough to enable follow-on investigations across many subdisciplines in condensed matter physics.

Graphical abstract: Crystallization kinetics of binary colloidal monolayers

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Publication details

The article was received on 08 May 2016, accepted on 22 Jul 2016 and first published on 25 Jul 2016


Article type: Paper
DOI: 10.1039/C6SM01072E
Citation: Soft Matter, 2016,12, 7735-7746
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    Crystallization kinetics of binary colloidal monolayers

    A. T. Pham, R. Seto, J. Schönke, D. Y. Joh, A. Chilkoti, E. Fried and B. B. Yellen, Soft Matter, 2016, 12, 7735
    DOI: 10.1039/C6SM01072E

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