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@ARTICLE{Kang:153767,
author = {Kang, Kyongok},
title = {{G}lass transition of repulsive charged rods (fd-viruses)},
journal = {Soft matter},
volume = {10},
number = {18},
issn = {1744-6848},
address = {Cambridge},
publisher = {Royal Society of Chemistry (RSC)},
reportid = {FZJ-2014-03256},
pages = {3311 - 3324},
year = {2014},
abstract = {It has recently been shown that suspensions of long and
thin charged fibrous viruses (fd) form a glass at low ionic
strengths. The corresponding thick electric double layers
give rise to long-ranged repulsive electrostatic
interactions, which lead to caging and structural arrest at
concentrations far above the isotropic–nematic coexistence
region. Structural arrest and freezing of the orientational
texture are found to occur at the same concentration. In
addition, various types of orientational textures are
equilibrated below the glass transition concentration,
ranging from a chiral-nematic texture with a large pitch (of
about 100 μm), an X-pattern, and a tightly packed domain
texture, consisting of helical domains with a relatively
small pitch (of about 10 μm) and twisted boundaries. The
dynamics of both particles as well as the texture are
discussed, below and above the glass transition. Dynamic
light scattering correlation functions exhibit two dynamical
modes, where the slow mode is attributed to the elasticity
of helical domains. On approach of the glass-transition
concentration, the slow mode increases in amplitude, while
as the amplitudes of the fast and slow mode become equal at
the glass transition. Finally, interesting features of the
“transient” behaviors of charged fd-rod glass are shown
as the initial caging due to structural arrest, the
propagation of flow originating from stress release, and the
transition to the final metastable glass state. In addition
to the intensity correlation function, power spectra are
presented as a function of the waiting time, at the
zero-frequency limit that may access to the thermal
anomalities in a charged system.},
cin = {ICS-3},
ddc = {530},
cid = {I:(DE-Juel1)ICS-3-20110106},
pnm = {451 - Soft Matter Composites (POF2-451)},
pid = {G:(DE-HGF)POF2-451},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000334685800020},
pubmed = {pmid:24637952},
doi = {10.1039/c3sm53131g},
url = {https://juser.fz-juelich.de/record/153767},
}