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@ARTICLE{Nygrd:808778,
author = {Nygård, Kim and Buitenhuis, Johan and Kagias, Matias and
Jefimovs, Konstantins and Zontone, Federico and Chushkin,
Yuriy},
title = {{A}nisotropic de {G}ennes {N}arrowing in {C}onfined
{F}luids},
journal = {Physical review letters},
volume = {116},
number = {16},
issn = {1079-7114},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2016-02395},
pages = {167801},
year = {2016},
abstract = {The collective diffusion of dense fluids in spatial
confinement is studied by combining high-energy (21 keV)
x-ray photon correlation spectroscopy and small-angle x-ray
scattering from colloid-filled microfluidic channels. We
find the structural relaxation in confinement to be slower
compared to the bulk. The collective dynamics is wave vector
dependent, akin to the de Gennes narrowing typically
observed in bulk fluids. However, in stark contrast to the
bulk, the structure factor and de Gennes narrowing in
confinement are anisotropic. These experimental observations
are essential in order to develop a microscopic theoretical
description of collective diffusion of dense fluids in
confined geometries.},
cin = {ICS-3},
ddc = {550},
cid = {I:(DE-Juel1)ICS-3-20110106},
pnm = {551 - Functional Macromolecules and Complexes (POF3-551)},
pid = {G:(DE-HGF)POF3-551},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000374559700014},
pubmed = {pmid:27152823},
doi = {10.1103/PhysRevLett.116.167801},
url = {https://juser.fz-juelich.de/record/808778},
}