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@ARTICLE{Ballesta:16808,
author = {Ballesta, P. and Lettinga, M.P. and Manneville, S.},
title = {{I}nterplay between a hydrodynamic instability and a phase
transition: the {F}araday instability in dispersions of
rodlike colloids},
journal = {Soft matter},
volume = {7},
issn = {1744-683X},
address = {Cambridge},
publisher = {Royal Society of Chemistry (RSC)},
reportid = {PreJuSER-16808},
pages = {11440 - 11446},
year = {2011},
note = {Record converted from VDB: 12.11.2012},
abstract = {Strong effects of the Faraday instability on suspensions of
rodlike colloidal particles are reported through
measurements of the critical acceleration and of the surface
wave amplitude. We show that the transition to
parametrically excited surface waves displays discontinuous
and hysteretic features. This subcritical behaviour is
attributed to the shear-thinning properties of our colloidal
suspensions thanks to a phenomenological model based on
rheological data under large amplitude oscillatory shear.
Birefringence measurements provide direct evidence that
Faraday waves induce local nematic ordering of the rodlike
colloids. While local alignment simply follows the surface
oscillations for dilute, isotropic suspensions, permanent
nematic patches are generated by surface waves in samples
close to the isotropic-to-nematic transition and above the
transition large domains align in the flow direction. This
strong coupling between the fluid microstructure and a
hydrodynamic instability is confirmed by numerical
computations based on the microstructural response of
rodlike viruses in shear flow.},
keywords = {J (WoSType)},
cin = {ICS-3},
ddc = {530},
cid = {I:(DE-Juel1)ICS-3-20110106},
pnm = {BioSoft: Makromolekulare Systeme und biologische
Informationsverarbeitung},
pid = {G:(DE-Juel1)FUEK505},
shelfmark = {Chemistry, Physical / Materials Science, Multidisciplinary
/ Physics, Multidisciplinary / Polymer Science},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000297425700018},
doi = {10.1039/c1sm06175e},
url = {https://juser.fz-juelich.de/record/16808},
}