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@ARTICLE{Kang:152205,
author = {Kang, Kyongok},
title = {{N}onequilibrium {P}hase {T}ransitions and {E}quilibrium
{T}extures of {C}harged {C}hiral {R}ods (fd-{V}iruses)},
journal = {Journal of physical science and application},
volume = {4},
number = {1},
issn = {2159-5348},
address = {Libertyville, Ill.},
publisher = {David Publ.},
reportid = {FZJ-2014-01961},
pages = {26-35},
year = {2014},
abstract = {Both non-equilibrium phase transitions and equilibrium
textures of interacting charged chiral rods are explored,
where thick electric double layers are present in the
suspensions of charged chiral fibrous (fd) viruses at a low
ionic strength. We first start with the electric phase/state
diagram, illustrating dynamic frequency responses at the
concentration of isotropic-nematic (I-N) coexistence,
leading to various field-induced phases/states. As a low
frequency response, two sharp transitions of chiral-nematic
phases and dynamical states are induced, while as one
transition is found to a homeotropic phases that is
stabilized at a high-frequency. The characterizations of
field-induced phases/states, and critical slowing down
behaviors in the non-equilibrium criticality are discussed,
by means of image-time correlation, dynamic light scattering
and electric birefringence. For the equilibrium phase
behaviors, depolarized optical morphology is studied with
their texture dynamics, as an increase of rod concentration
for a long equilibration time (80-100 h). Structure arrest
has been observed by dynamic light scattering, above a glass
transition concentration. Below the glass transition
concentration, chiral-nematic textures are equilibrated at
low, but above the I-N coexistence concentration. At higher,
near to the glass transition concentration, another type of
the equilibrium is reached as “domain” textures (of the
helical domains) . Whether there will be a thermodynamic
access of the density in orientational domains in these
equilibrated textures in the interaction of charged chiral
rods would be an interesting issue.},
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},
url = {https://juser.fz-juelich.de/record/152205},
}