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001     152205
005     20240619083458.0
037 _ _ |a FZJ-2014-01961
041 _ _ |a English
082 _ _ |a 530
100 1 _ |a Kang, Kyongok
|0 P:(DE-Juel1)130749
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|e Corresponding Author
|u fzj
245 _ _ |a Nonequilibrium Phase Transitions and Equilibrium Textures of Charged Chiral Rods (fd-Viruses)
260 _ _ |a Libertyville, Ill.
|c 2014
|b David Publ.
336 7 _ |a Journal Article
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|s 1397043460_8373
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336 7 _ |a ARTICLE
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336 7 _ |a article
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520 _ _ |a 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.
536 _ _ |a 451 - Soft Matter Composites (POF2-451)
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773 _ _ |0 PERI:(DE-600)2702036-8
|n 1
|p 26-35
|t Journal of physical science and application
|v 4
|y 2014
|x 2159-5348
856 4 _ |u https://juser.fz-juelich.de/record/152205/files/FZJ-2014-01961.pdf
|z Published final document.
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909 C O |o oai:juser.fz-juelich.de:152205
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910 1 _ |a Forschungszentrum Jülich GmbH
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