Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/2341
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dc.contributor.authorPratibha, R.-
dc.contributor.authorMadhusudana, N.V.-
dc.date.accessioned2007-05-19T09:01:39Z-
dc.date.available2007-05-19T09:01:39Z-
dc.date.issued1990-01-
dc.identifier.citationMolecular Crystals and Liquid Crystals, 1990, Vol.178, p167-178en
dc.identifier.issn1058-725X-
dc.identifier.urihttp://hdl.handle.net/2289/2341-
dc.descriptionRestricted Access.en
dc.description.abstractWe report some observations on the director configurations in the coexistence range of two nematic phases, NR and ND in a binary mixture of rod-like and disc- like nematogens. The director alignment is continuous across the boundary of the NR and ND phases. Point defects of strength + 1 in NR droplets in an otherwise continuous ND medium are found to be annulled by singular ring disclinations of strength - 1/2 Further, the NR drops which orient homeotropically at the glass plates have a point defect of strength + 1 only if their size is less than about 7 b.mum. Larger drops have ring disclinations of strength + 1/2 instead of + 1 point defects. This changeover can be understood on the basis of simple energy considerations.en
dc.format.extent1204242 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherGordon and Breach Science Publishers.en
dc.relation.urihttp://dx.doi.org/10.1080/00268949008042717en
dc.rights1990 OPA (Overseas Publishers Association) N.V.en
dc.subjectpoint defectsen
dc.subjectring defectsen
dc.subjectnematic-nematic coexistenceen
dc.titleOn the occurrence of point and ring defects in the nematic-nematic coexistence range of a binary mixture of rod-like and disc-like mesogensen
dc.typeArticleen
Appears in Collections:Research Papers (SCM)

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