Effect of confinement on the mode dynamics of dipole clusters


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SCHELLA, André, André MELZER, Christoph JULY, Clemens BECHINGER, 2015. Effect of confinement on the mode dynamics of dipole clusters. In: Soft matter. 11(6), pp. 1197-1207. ISSN 1744-683X. eISSN 1744-6848

@article{Schella2015-02-14Effec-39272, title={Effect of confinement on the mode dynamics of dipole clusters}, year={2015}, doi={10.1039/c4sm02333a}, number={6}, volume={11}, issn={1744-683X}, journal={Soft matter}, pages={1197--1207}, author={Schella, André and Melzer, André and July, Christoph and Bechinger, Clemens} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/39272"> <dcterms:rights rdf:resource="http://nbn-resolving.de/urn:nbn:de:bsz:352-20150914100631302-4485392-8"/> <dc:contributor>Melzer, André</dc:contributor> <dc:contributor>Bechinger, Clemens</dc:contributor> <dcterms:issued>2015-02-14</dcterms:issued> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2017-06-14T08:34:56Z</dcterms:available> <dc:contributor>Schella, André</dc:contributor> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/39272"/> <dcterms:abstract xml:lang="eng">Dynamical properties of colloidal clusters composed of paramagnetic beads are presented. The clusters were trapped either in a parabolic trough or in a hard-wall confinement. In order to access the dynamics of the ensembles, the instantaneous normal mode (INM) approach is utilized, which uses cluster configurations as an input. The peaks in the mode spectra weaken when the system size is increased and when the coupling strength is lowered. The short-time diffusive properties of the clusters are deduced using the INM technique. It is found that angular diffusion is always larger than radial diffusion regardless of the shape of the external trap. Further, short-time diffusion seems to be almost independent of the coupling strength in the solid regime, but decreases with increasing packing fraction and size of the ensembles. In general, it is found that diffusion is larger for parabolically confined than for hard-wall trapped clusters.</dcterms:abstract> <dc:creator>Bechinger, Clemens</dc:creator> <dcterms:title>Effect of confinement on the mode dynamics of dipole clusters</dcterms:title> <dc:creator>Schella, André</dc:creator> <dc:language>eng</dc:language> <dc:contributor>July, Christoph</dc:contributor> <dc:creator>July, Christoph</dc:creator> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2017-06-14T08:34:56Z</dc:date> <dc:creator>Melzer, André</dc:creator> </rdf:Description> </rdf:RDF>

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