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Main Title: Two-dimensional colloidal networks induced by a uni-axial external field
Author(s): Schmidle, Heiko
Jäger, Sebastian
Hall, Carol K.
Velev, Orlin D.
Klapp, Sabine H. L.
Type: Article
Language Code: en
Abstract: Based on Monte Carlo and Molecular Dynamics computer simulations we investigate the aggregation patterns and dynamics of model colloidal mixtures consisting of particles with either one or two, oppositely oriented, induced dipole moments. The mixtures are confined to two spatial dimensions. Our model is inspired by recent optical-microscopy experiments involving polystyrene particles with (and without) gold patches. For a broad range of parameters, we find the model systems to self-assemble via a two-step scenario involving first percolation along the field, followed by a percolation transition in the transverse direction. The resulting two-dimensional networks are characterized by strongly hindered translational dynamics.
Issue Date: 2013
Date Available: 27-Jun-2016
DDC Class: 530 Physik
Sponsor/Funder: DFG, GRK 1524, Self-Assembled Soft-Matter Nanostructures at Interfaces
Journal Title: Soft matter
Publisher: Royal Society of Chemistry
Publisher Place: Cambridge
Volume: 9
Issue: 8
Publisher DOI: 10.1039/c2sm27210e
Page Start: 2518
Page End: 2524
EISSN: 1744-6848
ISSN: 1744-683X
Notes: Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.
Appears in Collections:Inst. Theoretische Physik » Publications

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