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Title: Electromechanical coupling in cholesteric liquid crystals
Authors: Madhusudana, N.V.
Pratibha, R.
Issue Date: 1987
Publisher: Gordon and Breach Science Publishers.
Citation: Molecular Crystals and Liquid Crystals Letters, 1987, Vol.5, p43-51
Abstract: We report the first observation on the 'Lehmann rotation' of the director configuration of flat cholesteric drops subjected to a DC electric field. This allows us to determine both the sign and the magnitude of the electromechanical coupling coeffi- cient VE of the chiral liquid crystal, which is approx 2x10-5 q in cgs units, where q is the wavevector of the helix, whose sign is positive (negative) for a right (left) handed cholesteric.
Description: Restricted Access.
ISSN: 0140-6566
Copyright: 1987 OPA (Overseas Publishers Association) N.V.
Appears in Collections:Research Papers (SCM)

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