The electrical properties of a fullerene and CI Acid Red 2 (methyl red) doped E7 nematic liquid crystal

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dc.authoridOkutan, Mustafa/0000-0002-5707-8090
dc.authoridSAN, SAIT EREN/0000-0001-5042-4555
dc.contributor.authorOkutan, M.
dc.contributor.authorSan, S. E.
dc.contributor.authorKoysal, O.
dc.contributor.authorSenturk, E.
dc.date.accessioned2025-01-27T20:17:16Z
dc.date.available2025-01-27T20:17:16Z
dc.date.issued2010
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe electrical properties of a C.I. Acid Red 2 (4-dimethylaminoazobenzene-2'-carboxylic acid) and fullerene mixture of the nematic liquid crystal E7 were studied using complex dielectric spectroscopy as a function of the frequency of the applied AC-DC signal at various temperatures. Both the real and imaginary components of the dielectric constant decreased with increased frequency of the applied field whilst the AC conductivity increased with increasing frequency of the applied field. The alternating current conductivity sigma(omega) varied with angular frequency, omega as omega(s), with s <= 1, suggesting that a dominant hopping conduction process operated. The temperature dependence of both the AC conductivity and the exponents can be reasonably well interpreted using a correlated barrier hopping model. (C) 2009 Elsevier Ltd. All rights reserved.
dc.identifier.doi10.1016/j.dyepig.2009.09.002
dc.identifier.endpage212
dc.identifier.issn0143-7208
dc.identifier.issn1873-3743
dc.identifier.issue3
dc.identifier.scopus2-s2.0-70350194734
dc.identifier.scopusqualityQ1
dc.identifier.startpage209
dc.identifier.urihttps://doi.org/10.1016/j.dyepig.2009.09.002
dc.identifier.urihttps://hdl.handle.net/20.500.12428/21531
dc.identifier.volume84
dc.identifier.wosWOS:000271894600001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofDyes and Pigments
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectLiquid crystals
dc.subjectFullerene-C-60
dc.subjectDielectric constant
dc.subjectConductivity
dc.subjectActivation energy
dc.subjectHopping conduction
dc.titleThe electrical properties of a fullerene and CI Acid Red 2 (methyl red) doped E7 nematic liquid crystal
dc.typeArticle

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