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

O. Trushkevych | Zendy; Paul J. Ackerman | Zendy; W. A. Crossland | Zendy; Ivan I. Smalyukh | Zendy

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

Author(s) -

O. Trushkevych,

Paul J. Ackerman,

W. A. Crossland,

Ivan I. Smalyukh

Publication year - 2010

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3518477

Subject(s) - fullerene , materials science , doping , liquid crystal , twist , chemical physics , electric field , optoelectronics , optics , condensed matter physics , molecular physics , nanotechnology , chemistry , physics , organic chemistry , geometry , mathematics , quantum mechanics

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.

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