Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3170
Full metadata record
DC FieldValueLanguage
dc.contributor.authorSadashiva, B.K.-
dc.contributor.authorReddy, Amaranatha R.-
dc.contributor.authorPratibha, R.-
dc.contributor.authorMadhusudana, N.V.-
dc.date.accessioned2007-06-28T08:03:34Z-
dc.date.available2007-06-28T08:03:34Z-
dc.date.issued2002-
dc.identifier.citationJournal of Materials Chemistry, 2002, Vol.12, p943 - 950en
dc.identifier.issn0959-9428-
dc.identifier.issn1364-5501 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/3170-
dc.descriptionRestricted Access.en
dc.description.abstractSeveral compounds belonging to three new series of five-ring banana-shaped esters, which are unsymmetrically substituted with respect to the central phenyl ring, have been synthesised. One of the arms of these bent-core molecules has been terminally substituted with a highly polar cyano group while the other end contains an alkoxy chain. The mesophases exhibited by these compounds have been characterised using a combination of optical polarising microscopy, differential scanning calorimetry and X-ray diffraction studies. These studies indicate that most of the compounds show two smectic A mesophases which have a partial bilayer ordering. Conoscopic experiments clearly reveal that the lower temperature smectic A phase is biaxial in nature. A structural model has been proposed for the lower temperature biaxial smectic A phase. It is argued that quartets of molecules, which are conducive to the formation of the biaxial phase, can form in the layers. The in-layer birefringence of the biaxial smectic A phase has also been measured as a function of temperature for one of the compounds.en
dc.format.extent268181 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherRoyal Society of Chemistryen
dc.relation.urihttp://dx.doi.org/10.1039/b109546cen
dc.rights2002 Royal Society of Chemistryen
dc.titleBiaxial smectic A phase in homologous series of compounds composed of highly polar unsymmetrically substituted bent-core moleculesen
dc.typeArticleen
Appears in Collections:Research Papers (SCM)

Files in This Item:
File Description SizeFormat 
2002 JOURNAL OF MATERIALS CHEM V12 943p.pdf
  Restricted Access
Restricted Access261.9 kBAdobe PDFView/Open Request a copy


Items in RRI Digital Repository are protected by copyright, with all rights reserved, unless otherwise indicated.