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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/1268
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dc.contributor.authorDhara, Surajit-
dc.contributor.authorMadhusudana, N.V.-
dc.date.accessioned2006-05-16T11:18:37Z-
dc.date.available2006-05-16T11:18:37Z-
dc.date.issued2001-10-01-
dc.identifier.citationJournal of Applied Physics, 2001, Vol.90, p3483-3488en
dc.identifier.issn0021-8979-
dc.identifier.urihttp://hdl.handle.net/2289/1268-
dc.description.abstractWe report measurements on dielectric properties of a nematic liquid crystal in planar aligned cells with two different thicknesses (1.2 and 6.7 µm). The nematic has a wide thermal range and the temperature variation of the effective dielectric constant (epsilon[perpendicular]) of the thick cell reflects that of the orientational order parameter. On the other hand, the thin cell exhibits a higher value of epsilon[perpendicular] which is essentially temperature independent. We have conducted detailed dielectric measurements in the frequency range of 10 Hz–1.1 kHz on both the cells and analyzed the data using a simplified model which takes into account the ionic contribution. It leads to an estimation of the temperature dependencies of the number density and diffusion coefficient of the impurity ions.en
dc.format.extent94367 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherThe American Institute of Physicsen
dc.relation.urihttp://link.aip.org/link/?jap/90/3483en
dc.rights(2001) by the American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.en
dc.titleIonic contribution to the dielectric properties of a nematic liquid crystal in thin cellsen
dc.typeArticleen
Appears in Collections:Research Papers (SCM)

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