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Optically generated adaptive localized structures in confined chiral liquid crystals doped with fullerene

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Trushkevych, Oksana, Ackerman, P., Crossland, W. A. and Smalyukh, I. I. (2010) Optically generated adaptive localized structures in confined chiral liquid crystals doped with fullerene. Applied Physics Letters, 97 (20). 201906. doi:10.1063/1.3518477

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Official URL: http://dx.doi.org/10.1063/1.3518477

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Abstract

We report the facile optical creation of switchable localized structures in chiral liquid crystals doped with fullerene. In a cholesteric cell unwound by vertical boundary conditions, the initially dispersed fullerenes are deposited from the bulk to the surface of confining glass plates by low-intensity illumination. This alters the surface boundary conditions and allows for the creation of localized particlelike structures with twist-bound defects (dubbed Torons) that are controlled by electric fields and arranged into patterns of interest for photonic and electro-optic applications.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Q Science > QD Chemistry
Divisions: Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): Liquid crystals, Fullerenes, Photonics, Electrooptics
Journal or Publication Title: Applied Physics Letters
Publisher: AIP
ISSN: 0003-6951
Official Date: 18 November 2010
Dates:
DateEvent
18 November 2010Published
1 November 2010Accepted
Volume: 97
Number: 20
Article Number: 201906
DOI: 10.1063/1.3518477
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
Funder: University of Colorado. Renewable and Sustainable Energy Institute, National Science Foundation (U.S.) (NSF)
Grant number: DMR-0820579, DMR-0844115, and DMR-0847782 (NSF)

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