Calculation of the tilt angle and susceptibility as functions of temperature and the electric field close to the Sm A - Sm C* transition in C7

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dc.authoridAksoy, Sinan/0000-0002-5537-2966
dc.authoridYurtseven, Hasan Hamit/0000-0002-7745-6490
dc.contributor.authorAksoy, S.
dc.contributor.authorYurtseven, H.
dc.contributor.authorKurt, M.
dc.date.accessioned2025-01-27T20:14:35Z
dc.date.available2025-01-27T20:14:35Z
dc.date.issued2018
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description33rd International Physics Conference of Turkish-Physical-Society (TPS) -- SEP 06-10, 2017 -- Konacik, TURKEY
dc.description.abstractSmectic A - Smectic C* transition in the ferroelectric liquid crystal (C7) is studied as a function of the electric field and the temperature. By expanding the free energy in terms of the tilt angle theta (Smectic C* phase) and the polarization P with a linear coupling between theta and P (P theta) in mean field theory, the tilt angle is calculated as a function of the electric field (theta versus E) at constant temperatures with respect to the transition temperature for C7 using the observed data from the literature. Also, by extracting the tilt angle from the observed electric displacements at various temperatures (at constant field strength) the inverse tilt angle susceptibility (chi(-1)(theta)), derived from the free energy, is fitted to the observed data for the dielectric constant and the fitted parameters are determined. Our calculated theta and chi(theta). show that the mean field theory explains adequately the observed behavior of the Smectic A - Smectic C* transition in the liquid crystals C7.
dc.description.sponsorshipTurkish Phys Soc
dc.identifier.doi10.1139/cjp-2017-0731
dc.identifier.endpage692
dc.identifier.issn0008-4204
dc.identifier.issn1208-6045
dc.identifier.issue7
dc.identifier.scopus2-s2.0-85049575206
dc.identifier.scopusqualityQ3
dc.identifier.startpage688
dc.identifier.urihttps://doi.org/10.1139/cjp-2017-0731
dc.identifier.urihttps://hdl.handle.net/20.500.12428/21141
dc.identifier.volume96
dc.identifier.wosWOS:000437293500006
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherCanadian Science Publishing, Nrc Research Press
dc.relation.ispartofCanadian Journal of Physics
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjecttilt angle
dc.subjectsusceptibility
dc.subjectSmectic A - Smectic C* transition
dc.subjectC7
dc.subjectLandau model
dc.titleCalculation of the tilt angle and susceptibility as functions of temperature and the electric field close to the Sm A - Sm C* transition in C7
dc.typeConference Object

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