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Title: Dielectric studies on two compounds exhibiting first and second order smectic Ad - Nematic transitions
Authors: Heppke, G.
Pfeiffer, S.
Shashidhar, R.
Issue Date: 1987
Publisher: Gordon and Breach Science Publishers.
Citation: Molecular Crystals and Liquid Crystals Letters, 1987, Vol.5, p29-35
Abstract: The influence of the order of the smectic A to nematic transition (A-N) on the behaviour of the static dielectric permittivity was investigated by studying 4-cyano- phenyl 4'-n-decyloxybenzoate (CP10OB) and 4-cyanophenyl 4'-n-undecyloxybenzoate (CP11OB). In the case of the former which exhibits a second order A-N transition, ε, ει as well as Δε are seen to show a change of slope at the transition while in case of the latter compound which has a first order A-N transition a small jump is seen. These studies show that the change in the order of the A-N transition manifests in the dielectric properties of the materials.
Description: Restricted Access.
ISSN: 0140-6566
Copyright: 1987 OPA (Overseas Publishers Association) N.V.
Appears in Collections:Research Papers (SCM)

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