Journal
APPLIED PHYSICS LETTERS
Volume 97, Issue 20, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3518477
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Funding
- Institute for Complex Adaptive Matter
- Colorado Renewable and Sustainable Energy Initiative
- NSF [DMR-0820579, DMR-0844115, DMR-0847782]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0847782] Funding Source: National Science Foundation
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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. (C) 2010 American Institute of Physics. [doi:10.1063/1.3518477]
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