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Title: Electroclinic response of some ferroelectric liquid crystals
Authors: Padmini, H.P.
Pratibha, R.
Madhusudana, N.V.
Shivkumar, B.
Issue Date: 1993
Publisher: Taylor & Francis
Citation: Liquid Crystals, 1993, Vol.14, p435 - 443
Abstract: We report measurements on the temperature variation of the electroclinic coefficient (e) of three members of a homologous series and a commercial ferroelectric mixture. The pure compounds have P/b.thetas ratios which are an order of magnitude larger than that of the commercial mixture. This is reflected in the temperature variations of the electroclinic coefficient. Plots of e-1 versus temperature indicate that in all the four cases the Landau theory gives a good description of the critical divergence of e as the S*C-SA transition point is approached. We have made a detailed analysis of the data on one compound using the Garoff-Meyer model to confirm that the critical behaviour for the soft mode is indeed well described by the Landau theory.
Description: Restricted Access.
ISSN: 0267-8292
1366-5855 (Online)
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Copyright: 1993 Taylor & Francis
Appears in Collections:Research Papers (SCM)

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