Hauptseite > Publikationsdatenbank > Electric-field-induced polarization of the layer of condensed ions on cylindrical colloids > print

001     15127
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024 7 _ |2 pmid
|a pmid:21499963
024 7 _ |2 DOI
|a 10.1140/epje/i2011-11040-9
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024 7 _ |2 Handle
|a 2128/4610
037 _ _ |a PreJuSER-15127
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |2 WoS
|a Chemistry, Physical
084 _ _ |2 WoS
|a Materials Science, Multidisciplinary
084 _ _ |2 WoS
|a Physics, Applied
084 _ _ |2 WoS
|a Polymer Science
100 1 _ |0 P:(DE-Juel1)130616
|a Dhont, J.K.G.
|b 0
|u FZJ
245 _ _ |a Electric-field-induced polarization of the layer of condensed ions on cylindrical colloids
260 _ _ |a Berlin
|b Springer
|c 2011
300 _ _ |a 40
336 7 _ |a Journal Article
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440 _ 0 |0 1985
|a European Physical Journal E
|v 34
|x 1292-8941
|y 4
500 _ _ |a This work has significantly benefitted from many discussions with Prof. G.S. Manning. Part of this research was supported by the Trans-regio SFB 6018 "Physics of Colloidal Dispersions in External Fields" and by the EU-FP7 Network "NanoDirect" (contract number CP-FP-213948-2).
520 _ _ |a In concentrated suspensions of charged colloids, interactions between colloids can be induced by an external electric field through the polarization of charge distributions (within the diffusive double layer and the layer of condensed ions) and/or electro-osmotic flow. In case of rod-like colloids, these field-induced inter-colloidal interactions have recently been shown to lead to anomalous orientation perpendicular to the external field, and to phase/state transitions and dynamical states, depending on the field amplitude and frequency of the external field. As a first step towards a (semi-) quantitative understanding of these phenomena, we present a linear-response analysis of the frequency-dependent polarization of the layer of condensed ions on a single, long and thin cylindrical colloid. The in-phase and out-phase response functions for the charge distribution and the electric potential are calculated for arbitrary orientation of the cylindrical colloid. The frequency-dependent degree of alignment, which is proportional to the electric-field-induced birefringence, is calculated as well, and compared to experiments on dilute fd virus suspensions.
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588 _ _ |a Dataset connected to Web of Science, Pubmed
650 _ 2 |2 MeSH
|a Algorithms
650 _ 2 |2 MeSH
|a Colloids: chemistry
650 _ 2 |2 MeSH
|a Electricity
650 _ 2 |2 MeSH
|a Electrochemistry: methods
650 _ 2 |2 MeSH
|a Electrolytes
650 _ 2 |2 MeSH
|a Ions
650 _ 2 |2 MeSH
|a Materials Testing
650 _ 2 |2 MeSH
|a Models, Chemical
650 _ 2 |2 MeSH
|a Models, Statistical
650 _ 2 |2 MeSH
|a Particle Size
650 _ 2 |2 MeSH
|a Physics: methods
650 _ 2 |2 MeSH
|a Surface Properties
650 _ 2 |2 MeSH
|a Suspensions
650 _ 7 |0 0
|2 NLM Chemicals
|a Colloids
650 _ 7 |0 0
|2 NLM Chemicals
|a Electrolytes
650 _ 7 |0 0
|2 NLM Chemicals
|a Ions
650 _ 7 |0 0
|2 NLM Chemicals
|a Suspensions
650 _ 7 |2 WoSType
|a J
700 1 _ |0 P:(DE-Juel1)130749
|a Kang, K.
|b 1
|u FZJ
773 _ _ |0 PERI:(DE-600)2004003-9
|a 10.1140/epje/i2011-11040-9
|g Vol. 34, p. 40
|p 40
|q 34<40
|t The @European physical journal / E
|v 34
|x 1292-8941
|y 2011
856 7 _ |u http://dx.doi.org/10.1140/epje/i2011-11040-9
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