Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/576
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dc.contributorDepartment of Applied Physics-
dc.contributorMaterials Research Centre-
dc.creatorZhang, X-
dc.creatorPeng, Z-
dc.creatorChan, HLW-
dc.creatorChoy, CL-
dc.date.accessioned2014-12-11T08:24:32Z-
dc.date.available2014-12-11T08:24:32Z-
dc.identifier.isbn0-7803-5025-1-
dc.identifier.urihttp://hdl.handle.net/10397/576-
dc.language.isoenen_US
dc.publisherIEEEen_US
dc.rights© 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_US
dc.rightsThis material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.en_US
dc.subjectCoolingen_US
dc.subjectElectric space chargeen_US
dc.subjectElectric variables measurementen_US
dc.subjectElectromagnetic wave polarizationen_US
dc.subjectElectron trapsen_US
dc.subjectFerroelectric materialsen_US
dc.subjectMeltingen_US
dc.subjectPhase transitionsen_US
dc.subjectPlastics castingen_US
dc.subjectTemperatureen_US
dc.titleDetrapping behavior of trapped space charges in ferroelectric copolymers of vinylidene fluoride with trifluoroethyleneen_US
dc.typeConference Paperen_US
dcterms.abstractThree kinds of slowly-cooled ferroelectric VDF/TrFE copolymer samples with different VDF contents (56, 70, 77 mole %) were prepared by casting from methyl ethyl ketone solution and followed by cooling slowly from melting state to room temperature. The thermally stimulated depolarization current (TSDC) of the copolymer has been measured at various polarization temperatures (60-130°C). In the TSDC spectra, three peaks of detrapping charges for VDF(70)/TrFE(30) and VDF(77)/TrFE(23), two peaks for VDF(56)/TrFE(44) are observed. According to the peaks appeared at different cooling temperature during polarization and the analysis of phase transition, the structural origin of the TSDC peaks is proposed. The detrapping density of trapped charges shows that the ability of charge storage for VDF(70)/TrFE(30) is higher than that for other two copolymers.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationISE 10 : 10th International Symposium on Electrets : 22-24 September 1999, European Cultural Centre of Delphi, Greece : proceedings, p. 581-584-
dcterms.issued1999-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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