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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/2478

Title: Comparative X-ray and dielectric studies on some structurally related smectogenic compounds
Authors: Madhusudana, N.V.
Srikanta, B.S.
Subramanya Raj Urs, M.
Issue Date: Jun-1984
Publisher: Gordon and Breach Science Publishers.
Citation: Molecular Crystals and Liquid Crystals, 1984, Vol.108, p19-37
Abstract: In continuation of our earlier work on smectogenic compounds exhibiting large bilayer spacings, we report in this paper a comparative study of several compounds with lateral methyl or methoxy substituent. Some of the compounds do not have any strongly polar end groups while others have a cyano end group. The dielectric (both static and relaxation studies up to 13 MHz) and X-ray investigations on these compounds enable us to elucidate the physical mechanisms responsible for the observed differences in the properties of the compounds. We also discuss the possible origin of the often observed reduction of the activation energy corresponding to the b.epsi|| -relaxation in the smectic A phase compared to that in the nematic phase.
Description: Restricted Access.
URI: http://hdl.handle.net/2289/2478
ISSN: 1058-725X
Alternative Location: http://dx.doi.org/10.1080/00268948408072095
Copyright: 1984 OPA (Overseas Publishers Association) N.V.
Appears in Collections:Research Papers (SCM)

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