The effect of side-chain liquid crystalline concentration in liquid crystal on dielectric properties

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dc.contributor.authorGökçen, Muharrem
dc.contributor.authorKöysal, Oğuz
dc.contributor.authorYıldırım, Mert
dc.contributor.authorAltındal, Şemsettin
dc.date.accessioned2020-04-30T23:33:10Z
dc.date.available2020-04-30T23:33:10Z
dc.date.issued2012
dc.departmentDÜ, Fen-Edebiyat Fakültesi, Fizik Bölümüen_US
dc.descriptionYILDIRIM, Mert/0000-0002-8526-1802; Gokcen, Muharrem/0000-0001-9063-3028en_US
dc.descriptionWOS: 000304632100003en_US
dc.description.abstractAs liquid crystal (LC), E63 and as doping material, side-chain liquid crystalline polymer (SLCP) were used in this study. In order to observe the effect of SLCP concentration in LC on the dielectric properties in a wide range of frequency and bias voltage. SLCP was doped into E63 with 0 (pure E63), 1 and 10 wt%. The bias voltage and frequency dependence of the dielectric properties of pure E63 and doped mixtures (E63/SCLP) have been investigated using the admittance spectroscopy method (C-V and G/omega-V) in the frequency range of 10 kHz-10 MHz at room temperature. The values of dielectric constant (epsilon') and real (M') and imaginary (M '') parts of electric modulus of the pure E63 and E63/SLCP (1 and 10%) were calculated using the measured admittance values. Moreover, dielectric anisotropy (Delta epsilon) was also obtained for each sample as a function of frequency. Results show that the values of dielectric parameters are strong functions of frequency and applied bias voltage depending on the concentration amount. Furthermore, dielectric anisotropy has negative values according to p/n type changing for each sample after a critical frequency value. (C) 2012 Elsevier Ltd. All rights reserved.en_US
dc.identifier.doi10.1016/j.jpcs.2012.03.001en_US
dc.identifier.endpage991en_US
dc.identifier.issn0022-3697
dc.identifier.issn1879-2553
dc.identifier.issue8en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage987en_US
dc.identifier.urihttps://doi.org/10.1016/j.jpcs.2012.03.001
dc.identifier.urihttps://hdl.handle.net/20.500.12684/4910
dc.identifier.volume73en_US
dc.identifier.wosWOS:000304632100003en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofJournal Of Physics And Chemistry Of Solidsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPolymersen_US
dc.subjectDielectric propertiesen_US
dc.titleThe effect of side-chain liquid crystalline concentration in liquid crystal on dielectric propertiesen_US
dc.typeArticleen_US

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