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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la4023618
|2 doi
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|a eng
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1 |
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|a Shahraz, Azar
|e verfasserin
|4 aut
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| 245 |
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|a Wetting on physically patterned solid surfaces
|b the relevance of molecular dynamics simulations to macroscopic systems
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 04.04.2014
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|a Date Revised 17.09.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We used molecular dynamics (MD) simulations to study the wetting of Lennard-Jones cylindrical droplets on surfaces patterned with grooves. By scaling the surface topography parameters with the droplet size, we find that the preferred wetting modes and contact angles become independent of the droplet size. This result is in agreement with a mathematical model for the droplet free energy at small Bond numbers for which the effects of gravity are negligible. The MD contact angles for various wetting modes are in good agreement with those predicted by the mathematical model. We construct phase diagrams of the dependence of the wetting modes observed in the MD simulations on the topography of the surface. Depending on the topographical parameters characterizing the surface, multiple wetting modes can be observed, as is also seen experimentally. Thus, our studies indicate that MD simulations can yield insight into the large-length-scale behavior of droplets on patterned surfaces
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|a Journal Article
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|a Borhan, Ali
|e verfasserin
|4 aut
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|a Fichthorn, Kristen A
|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 29(2013), 37 vom: 17. Sept., Seite 11632-9
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|x 1520-5827
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|g volume:29
|g year:2013
|g number:37
|g day:17
|g month:09
|g pages:11632-9
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