Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/590
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dc.contributorDepartment of Applied Physics-
dc.contributorMaterials Research Centre-
dc.creatorChan, HLW-
dc.creatorLau, ST-
dc.creatorKwok, KW-
dc.creatorChoy, CL-
dc.date.accessioned2014-12-11T08:24:34Z-
dc.date.available2014-12-11T08:24:34Z-
dc.identifier.isbn0-7803-4095-7-
dc.identifier.urihttp://hdl.handle.net/10397/590-
dc.language.isoenen_US
dc.publisherIEEEen_US
dc.rights© 1998 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.subjectLead compoundsen_US
dc.subjectNanostructured materialsen_US
dc.subjectPiezoelectricityen_US
dc.subjectUltrasonic measurementen_US
dc.subjectUltrasonic transducersen_US
dc.subjectVinyl resinsen_US
dc.titlePZT/P(VDF-TrFE) nanocomposite hydrophones for ultrasonic measurementsen_US
dc.typeConference Paperen_US
dcterms.abstractNeedle-type hydrophones for the calibration of medical ultrasonic transducers have been fabricated using lead zirconate titanate/vinylidene fluoride-trifluoroethylene [PZT/P(VDF-TrFE)] 0-3 nanocomposite films. The 0-3 nanocomposite film has been prepared by incorporating nanosized PZT powder (derived from a sol-gel process) in a P(VDF-TrFE) matrix. Since the piezoelectric coefficients of PZT and P(VDF-TrFE) have opposite signs, the PZT and P(VDF-TrFE) phases in the nanocomposites have been poled in opposite directions in order to give enhanced piezoelectric activity. A nanocomposite hydrophone with 0.2 volume fraction of PZT has been characterized and found to be more sensitive than a P(VDF-TrFE) hydrophone of similar structure.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitation1998 IEEE Ultrasonics Symposium proceedings : October 5-8, 1998, Sendai, Miyagi, Japan, p. 611-614-
dcterms.issued1998-
dc.identifier.isiWOS:000079968900133-
dc.identifier.scopus2-s2.0-0032270839-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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