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000002771 0247_ $$2DOI$$a10.1140/epje/i2007-10271-7
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000002771 084__ $$2WoS$$aChemistry, Physical
000002771 084__ $$2WoS$$aMaterials Science, Multidisciplinary
000002771 084__ $$2WoS$$aPhysics, Applied
000002771 084__ $$2WoS$$aPolymer Science
000002771 1001_ $$0P:(DE-Juel1)VDB64577$$aYang, C.$$b0$$uFZJ
000002771 245__ $$aNanodroplets on rough hydrophilic and hydrophobic surfaces
000002771 260__ $$aBerlin$$bSpringer$$c2008
000002771 300__ $$a139 - 152
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000002771 440_0 $$01985$$aEuropean Physical Journal E$$v25$$x1292-8941$$y2
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000002771 520__ $$aWe present results of Molecular Dynamics (MD) calculations on the behavior of liquid nanodroplets on rough hydrophobic and hydrophilic solid surfaces. On hydrophobic surfaces, the contact angle for nanodroplets depends strongly on the root-mean-square roughness amplitude, but it is nearly independent of the fractal dimension of the surface. Since increasing the fractal dimension increases the short-wavelength roughness, while the long-wavelength roughness is almost unchanged, we conclude that for hydrophobic interactions the short-wavelength (atomistic) roughness is not very important. We show that the nanodroplet is in a Cassie-like state. For rough hydrophobic surfaces, there is no contact angle hysteresis due to strong thermal fluctuations, which occur at the liquid-solid interface on the nanoscale. On hydrophilic surfaces, however, there is strong contact angle hysteresis due to higher energy barrier. These findings may be very important for the development of artificially biomimetic superhydrophobic surfaces.
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000002771 650_2 $$2MeSH$$aBiomimetics
000002771 650_2 $$2MeSH$$aBiophysics: methods
000002771 650_2 $$2MeSH$$aComputer Simulation
000002771 650_2 $$2MeSH$$aEquipment Design
000002771 650_2 $$2MeSH$$aFractals
000002771 650_2 $$2MeSH$$aModels, Statistical
000002771 650_2 $$2MeSH$$aModels, Theoretical
000002771 650_2 $$2MeSH$$aNanoparticles: chemistry
000002771 650_2 $$2MeSH$$aNanotechnology: methods
000002771 650_2 $$2MeSH$$aProbability
000002771 650_2 $$2MeSH$$aSurface Properties
000002771 650_2 $$2MeSH$$aWettability
000002771 650_7 $$2WoSType$$aJ
000002771 7001_ $$0P:(DE-HGF)0$$aTartaglino, U.$$b1
000002771 7001_ $$0P:(DE-Juel1)130885$$aPersson, B. N. J.$$b2$$uFZJ
000002771 773__ $$0PERI:(DE-600)2004003-9$$a10.1140/epje/i2007-10271-7$$gVol. 25, p. 139 - 152$$p139 - 152$$q25<139 - 152$$tThe @European physical journal / E$$v25$$x1292-8941$$y2008
000002771 8567_ $$uhttp://dx.doi.org/10.1140/epje/i2007-10271-7
000002771 8564_ $$uhttps://juser.fz-juelich.de/record/2771/files/0710.3264.pdf$$yOpenAccess
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000002771 9131_ $$0G:(DE-Juel1)FUEK414$$bMaterie$$kP54$$lKondensierte Materie$$vKondensierte Materie$$x0$$zentfällt   bis 2009
000002771 9141_ $$y2008
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000002771 9201_ $$0I:(DE-Juel1)VDB781$$d31.12.2010$$gIFF$$kIFF-1$$lQuanten-Theorie der Materialien$$x0
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