Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4220
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dc.contributorDepartment of Applied Physics-
dc.creatorKwong, HYA-
dc.creatorWong, YW-
dc.creatorWong, KH-
dc.date.accessioned2014-12-11T08:28:40Z-
dc.date.available2014-12-11T08:28:40Z-
dc.identifier.issn0021-8979-
dc.identifier.urihttp://hdl.handle.net/10397/4220-
dc.language.isoenen_US
dc.publisherAmerican Institute of Physicsen_US
dc.rights© 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in H. Y. Kwong, Y. W. Wong & K. H. Wong, J. Appl. Phys. 102, 114303 (2007) and may be found at http://link.aip.org/link/?jap/102/114303.en_US
dc.subjectCobalten_US
dc.subjectEnhanced magnetoresistanceen_US
dc.subjectFerromagnetic materialsen_US
dc.subjectFilled polymersen_US
dc.subjectGranular materialsen_US
dc.subjectMagnetic momentsen_US
dc.subjectMagnetic relaxationen_US
dc.subjectPulsed laser depositionen_US
dc.subjectThin filmsen_US
dc.subjectTunnellingen_US
dc.titleTemperature dependence of magnetoresistivity of cobalt-polytetrafluoroethylene granular composite filmsen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: H. Y. Kwongen_US
dc.description.otherinformationAuthor name used in this publication: Y. W. Wongen_US
dc.description.otherinformationAuthor name used in this publication: K. H. Wongen_US
dc.identifier.spage1-
dc.identifier.epage4-
dc.identifier.volume102-
dc.identifier.issue11-
dc.identifier.doi10.1063/1.2821240-
dcterms.abstractHeterogeneous granular films consisting of ferromagnetic cobalt particles embedded in a polytetrafluoroethylene polymer matrix were fabricated by the pulsed laser deposition technique carried out with a Nd-doped yttrium aluminum garnet laser at 355 nm. The samples exhibit a magnetoresistance (MR) change of 4% (at 8 kOe) at room temperature. An enhancement of MR to a value of 6% was observed at 20 K which is attributed to the increasing order of magnetic moments in the ferromagnetic state at low temperature. Significant loop opening of the MR profile at low temperature and the temperature dependence of MR reveal the interplay of superparamagnetic relaxation behavior and spin-dependent electron tunneling.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationJournal of applied physics, 1 Dec. 2007, v. 102, no. 11, 114303, p. 1-4-
dcterms.isPartOfJournal of applied physics-
dcterms.issued2007-12-01-
dc.identifier.isiWOS:000251678800104-
dc.identifier.scopus2-s2.0-37149053190-
dc.identifier.eissn1089-7550-
dc.identifier.rosgroupidr38937-
dc.description.ros2007-2008 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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