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Phys Rev Lett. 2007 Jan 19;98(3):037802. Epub 2007 Jan 19.

Optical activity produced by layer chirality in bent-core liquid crystals.

Author information

1
LCMRC, Department of Physics, University of Colorado, Boulder, USA.

Abstract

Large optical activity has recently been observed in chiral smectic liquid crystalline phases formed from achiral bent-core molecules. The origin of the optical activity remains unclear and has been attributed to both a helical superstructure and the layer chirality produced by simultaneous tilt and polar ordering of bent-core mesogens in the B2 phase. Here, we directly demonstrate that layer chirality produces optical activity in the well ordered SmC(A)P(A) subphase.

PMID:
17358732
DOI:
10.1103/PhysRevLett.98.037802
[Indexed for MEDLINE]

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