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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/62562

Title: Microsecond linear optical response in the unusual nematic phase of achiral bimesogens
Author: VIJ, JAGDISH KUMAR
BALACHANDARAN, RESHMA
Sponsor: 
Name Grant Number
216025

Author's Homepage: http://people.tcd.ie/jvij
Keywords: Physical chemistry
chirality
flexoelectricity
nematic liquid crystals
Issue Date: 2011
Citation: Panov, VP, Balachandran, R, Nagaraj, M, Vij, JK, Tamba, MG, Kohlmeier, A, Mehl, GH, Microsecond linear optical response in the unusual nematic phase of achiral bimesogens, Applied Physics Letters, 99, 2011, 261903-
Series/Report no.: Applied Physics Letters
99
Abstract: Some hydrocarbon linked mesogenic dimers are known to exhibit an additional nematic phase (N(x)) below a conventional uniaxial nematic (N(u)) phase. Although composed of non-chiral molecules, the N(x) phase is found to exhibit linear (polar) switching under applied electric field. This switching has remarkably low response time of the order of a few microseconds. Two chiral domains with opposite handedness and consequently opposite responses are found in planar cells. Uniformly lying helix, electroclinic, and flexoelectric effects are given as possible causes for this intriguing phenomenon.
Description: PUBLISHED
URI: http://hdl.handle.net/2262/62562
Related links: http://dx.doi.org/10.1063/1.3671996
Access: OpenAccess
Appears in Collections:Electronic & Electrical Eng (Scholarly Publications)

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