Effect of frequency on dielectric properties of liquid crystal doped with side-chain liquid crystalline polymer

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dc.contributor.authorGökçen, Muharrem
dc.contributor.authorKöysal, Oğuz
dc.date.accessioned2020-05-01T09:11:39Z
dc.date.available2020-05-01T09:11:39Z
dc.date.issued2011
dc.departmentDÜ, Fen-Edebiyat Fakültesi, Fizik Bölümüen_US
dc.descriptionGokcen, Muharrem/0000-0001-9063-3028en_US
dc.descriptionWOS: 000294092500076en_US
dc.description.abstractThe frequency and applied bias voltage dependence of the dielectric properties and dielectric anisotropy of liquid crystal (LC) doped with side-chain liquid crystalline polymer (SLCP) mixture have been investigated using the admittance spectroscopy method (C-V and G/omega-V) in the frequency range of 10 kHz to 10 MHz at room temperature. The liquid crystal used in this experiment is E63. The doping material used in this study is SLCP and its concentration is ensured 1 wt % in E63. Dielectric constant (epsilon'), dielectric loss (epsilon), dielectric loss tangent (tan delta) and real and imaginary parts of electrical modulus (M' and M '') of the E63/SLCP mixture was also calculated. Moreover, dielectric anisotropy (Delta epsilon) as a function of frequency was obtained. Results show that the values of the all dielectric parameters are strong functions of frequency and applied bias voltage. After a critical frequency, dielectric anisotropy has negative values according to p/n type changing. (C) 2011 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.matchemphys.2011.05.076en_US
dc.identifier.endpage1145en_US
dc.identifier.issn0254-0584
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1142en_US
dc.identifier.urihttps://doi.org/10.1016/j.matchemphys.2011.05.076
dc.identifier.urihttps://hdl.handle.net/20.500.12684/5710
dc.identifier.volume129en_US
dc.identifier.wosWOS:000294092500076en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Saen_US
dc.relation.ispartofMaterials Chemistry And Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectLiquid crystalsen_US
dc.subjectElectronic characterizationen_US
dc.subjectElectrical propertiesen_US
dc.subjectDielectric propertiesen_US
dc.titleEffect of frequency on dielectric properties of liquid crystal doped with side-chain liquid crystalline polymeren_US
dc.typeArticleen_US

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