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Title: Orientational order and elastic constants of some cyanobiphenyls: Part III
Authors: Karat, P.P.
Madhusudana, N.V.
Issue Date: 1978
Publisher: Gordon and Breach Science Publishers.
Citation: Molecular Crystals and Liquid Crystals, 1978, Vol.47, p21-28
Abstract: In continuation of our previous work, we report here the elastic constants, order parameters and densities of 4'-n-octyloxy-4-cyanobiphenyl (8 OCB) and two of its mixtures with 7 CB. All the three systems exhibit smectic A and nematic phases. The nematic range increases and the A-N transition entropy decreases as the 7 CB content increases in the mixture. Both k,, and k,, exhibit pretransition increases as the N-A point is approached. Though the experimental set up was not adequate for precise determinations of the critical indices (γ), the estimates of γ exhibit a trend which is of qualitative significance.
Description: Restricted Access.
ISSN: 1058-725X
Copyright: 1978 OPA (Overseas Publishers Association) N.V.
Appears in Collections:Research Papers (SCM)

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