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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la102134w
|2 doi
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|a eng
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|a Demirörs, Ahmet Faik
|e verfasserin
|4 aut
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| 245 |
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|a Directed self-assembly of colloidal dumbbells with an electric field
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 04.01.2011
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|a Date Revised 14.09.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a We demonstrate the assembly of colloidal particles with the shape of diatomic molecules ("dumbbells") into crystals that we study with confocal microscopy. The literature on the preparation of nonspherical colloidal particles has grown steadily. Assembly of these particles into regular three-dimensional crystalline lattices, however, is rarely, if ever, achieved and has not yet been studied quantitatively in 3D real space. We find that, by application of an electric field, such particles assemble quite readily. By varying the particle aspect ratio, range of interactions, and electric field strength, we find several different crystal structures of which three have never before been observed. Moreover, the electric field can be used to switch between different structures and manipulate/switch the photonic properties. Moreover, our work sheds light on fundamental questions related to the self-assembly of nonspherical particles
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|a Journal Article
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|a Johnson, Patrick M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a van Kats, Carlos M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a van Blaaderen, Alfons
|e verfasserin
|4 aut
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| 700 |
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|a Imhof, Arnout
|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 1985
|g 26(2010), 18 vom: 21. Sept., Seite 14466-71
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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|g volume:26
|g year:2010
|g number:18
|g day:21
|g month:09
|g pages:14466-71
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