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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3778
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dc.contributor.authorKundu, Brindaban-
dc.contributor.authorPal, Santanu Kumar-
dc.contributor.authorKumar, Sandeep-
dc.contributor.authorPratibha, R.-
dc.contributor.authorMadhusudana, N.V.-
dc.date.accessioned2009-06-17T06:42:03Z-
dc.date.available2009-06-17T06:42:03Z-
dc.date.issued2009-02-13-
dc.identifier.citationEurophysics Letters, 2009, Vol. 85(3), p36002en
dc.identifier.issn0295-5075-
dc.identifier.issn1286-4854 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/3778-
dc.descriptionRestricted Access.en
dc.description.abstractWe report physical studies on the nematic phase exhibited by five members of a homologous series of symmetric dimers which have cyanobiphenyl end groups and, a disulphide bridging group in the spacer. All of them have rod-like conformations in the nematic phase, but unusually, the nematic-isotropic transition temperature, the birefringence and the dielectric anisotropy exhibit "odd-even" effects depending on the number of carbon atoms in the alkyl chain of a monomeric moiety. Further, the lowest "even" homologue exhibits a nematic-nematic transition. We argue that these phenomena arise from the relatively facile rotational fluctuations of the two monomeric moieties around the central S-S bond, whose orientation with respect to the long molecular axis changes between the "even" and "odd" members.en
dc.language.isoenen
dc.publisherIOP Publishing Ltd.en
dc.relation.urihttp://dx.doi.org/10.1209/0295-5075/85/36002en
dc.rights2009 IOP Publishing Ltd.en
dc.subjectCondensed matter: structural, mechanical & thermalen
dc.subjectSoft matter, liquids and polymersen
dc.titleUnusual odd-even effects depending on the monomer chain length in nematic liquid crystals made of rod-like dimersen
dc.typeArticleen
Appears in Collections:Research Papers (SCM)

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