Induction of smectic C phase in binary mixtures of compounds with cyano end groups

Madhusudana, N. V. ; Raghunathan, V. A. ; Subramanya, M. (1984) Induction of smectic C phase in binary mixtures of compounds with cyano end groups Molecular Crystals and Liquid Crystals, 106 . pp. 161-168. ISSN 1058-725X

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Related URL: http://dx.doi.org/10.1080/00268948408080185

Abstract

We have studied binary mixtures of 4-cyanophenyl-3'-methyl-4'(4"-n-dodecylbenzoyloxy)benzoate (12 CPMBB) and 4-n-dodecylphenyl-3'-methyl-4'(4"-cyanobenzoy1oxy)benzoate (12 PMCBB). The former compound exhibits nematic, smectic A and reentrant nematic phases and the latter one nematic and smectic A phases with a possible AdA2, transition. Over a fairly wide composition range, the mixtures exhibit an induced smectic C phase on cooling the sample from the A phase. The phase diagram, and the temperature variations of the layer spacings for some specific compositions are reported. The possible origin of the C phase is also discussed.

Item Type:Article
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Deposited On:20 Nov 2010 13:23
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