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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1021/la200179c
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|a eng
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1 |
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|a Bartlett, Andrew P
|e verfasserin
|4 aut
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|a Dynamic templating of colloidal patterns in three dimensions with nonuniform electric fields
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 26.08.2011
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|a Date Revised 12.04.2011
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2011 American Chemical Society
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|a Order-disorder transitions in colloidal systems are an attractive option for making switchable materials. Electric-field-driven order-disorder transitions are especially attractive for this purpose because the tuning parameter is easily and externally controllable. However, precise positional control of 3D structure is immensely challenging. Using patterned electrodes, we demonstrate that ac electric fields-dominantly dielectrophoresis (DEP) coupled with an electrohydrodynamic mechanism consisting of induced-charge electro-osmosis (ICEO)-can be used to template colloidal order dynamically in three dimensions. We find that the electric field geometry dictates the location, size, and shape of colloidal patterns and can produce patterns with surprising complexity
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|a Journal Article
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|a Agarwal, Amit K
|e verfasserin
|4 aut
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| 700 |
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|a Yethiraj, Anand
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 27(2011), 8 vom: 19. Apr., Seite 4313-8
|w (DE-627)NLM098181009
|x 1520-5827
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| 773 |
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|g volume:27
|g year:2011
|g number:8
|g day:19
|g month:04
|g pages:4313-8
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|u http://dx.doi.org/10.1021/la200179c
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