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Synthesis, mesomorphic and dielectric properties of new bent-core liquid crystal with a terminal lactate group

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dc.contributor.authorOcak, Hale
dc.contributor.authorCanli, Nimet Yilmaz
dc.contributor.authorEran, Belkiz Bilgin
dc.date.accessioned2026-06-27T14:24:34Z
dc.date.issued2021
dc.description.abstractThe synthesis, liquid crystalline properties and dielectric properties of a new bent-core compound (DBOB) composed of terephthalate based rod-like units with a O-dodecyl lactate group substituted at one side as well as n-octyloxy located at other terminal are presented. The liquid crystalline properties have been investigated by polarizing optical microscopy, differential scanning calorimetry and electro-optical studies. The dielectric parameters and phase regions of DBOB, which exhibits an enantiotropic non-polar SmA phase between 156 and 100 degrees C as well as SmA phase with a ferroelectric polar response at lower temperatures than 100 degrees C, have been carried out by impedance spectroscopy at different temperatures. The dielectric relaxation mechanisms have been analyzed by Cole-Cole plots. The Debye distribution parameters and activation energies have also been determined. (C) 2020 Elsevier B.V. All rights reserved.en
dc.description.sponsorshipYildiz Technical University Scientific Research Projects Coordination Department [FBA-2017-3166]
dc.description.urihttps://doi.org/10.1016/j.molstruc.2020.128975
dc.identifier.doi10.1016/j.molstruc.2020.128975
dc.identifier.eissn1872-8014
dc.identifier.issn0022-2860
dc.identifier.urihttps://hdl.handle.net/20.500.14981/60289
dc.identifier.volume1223
dc.identifier.wos000587468000034
dc.language.isoeng
dc.publisherELSEVIER
dc.relation.conference15th International Conference on Molecular Spectroscopy (ICMS) - From Molecules to Molecular Materials, Biological Molecular Systems and Nanostructures
dc.relation.ispartofJOURNAL OF MOLECULAR STRUCTURE
dc.subjectBent-core liquid crystal
dc.subjectLactate group
dc.subjectFerroelectric switching
dc.subjectImpedance spectroscopy
dc.subjectDielectric properties
dc.subjectConductivity mechanism
dc.subjectPOLAR ORDER
dc.subjectELECTROMAGNETIC PROPERTIES
dc.subjectSPONTANEOUS POLARIZATION
dc.subjectMAGNETIC-PROPERTIES
dc.subjectCONDUCTIVITY
dc.subjectTEMPERATURE
dc.subjectCHIRALITY
dc.subjectBEHAVIOR
dc.subjectPHASE
dc.subjectACID
dc.subjectChemistry
dc.titleSynthesis, mesomorphic and dielectric properties of new bent-core liquid crystal with a terminal lactate group
dc.typeArticle; Proceedings Paper
dspace.entity.typePublication
local.import.sourceWOS

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