Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/3285
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dc.contributorDepartment of Applied Physics-
dc.contributorMaterials Research Centre-
dc.creatorLu, SG-
dc.creatorMak, CL-
dc.creatorWong, KH-
dc.creatorCheah, KW-
dc.date.accessioned2014-12-11T08:22:36Z-
dc.date.available2014-12-11T08:22:36Z-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10397/3285-
dc.language.isoenen_US
dc.publisherAmerican Institute of Physicsen_US
dc.rights© 2001 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 S. G. Lu et al., Appl. Phys. Lett. 79, 4310 (2001) and may be found at http://apl.aip.org/resource/1/applab/v79/i26/p4310_s1en_US
dc.subjectStrontium compoundsen_US
dc.subjectBarium compoundsen_US
dc.subjectSiliconen_US
dc.subjectFerroelectric materialsen_US
dc.subjectNanostructured materialsen_US
dc.subjectComposite materialsen_US
dc.subjectPhotoluminescenceen_US
dc.subjectSol-gel processingen_US
dc.subjectX-ray diffractionen_US
dc.subjectSpectral line shiften_US
dc.titlePhotoluminescence of transparent strontium–barium–niobate-doped silica nanocompositesen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: C. L. Maken_US
dc.description.otherinformationAuthor name used in this publication: K. H. Wongen_US
dc.identifier.spage4310-
dc.identifier.epage4312-
dc.identifier.volume79-
dc.identifier.issue26-
dc.identifier.doi10.1063/1.1427419-
dcterms.abstractOptically transparent nanocomposites of strontium–barium–niobate (SBN) and silica were fabricated via a novel sol–gel method. The nanocomposites were annealed in temperatures of 600–800 °C to yield the nanometer-sized tetragonal tungsten–bronze phase of SBN crystallites. Photoluminescence studies at temperatures from 10 K to room temperature were performed. The undoped silica matrix showed a strong emission band at 3.2 eV and a weak emission band at 2.65 eV. They were noticeably suppressed in our SBN/SiO₂ nanocomposites. Extra sharp peaks on top of the 3.2 eV band were seen. An additional emission band at 2.3 eV due to transitions within the NbO₆ complex of SBN crystallites was also observed. This emission band showed a large blueshift with decreasing SBN crystallite size. This demonstrates that the photoluminescence spectra of ferroelectric-doped silica nanocomposites have a strong dependence on crystallite size.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationApplied physics letters, 24 Dec, 2001, v. 79, no. 26, p. 4310-4312-
dcterms.isPartOfApplied physics letters-
dcterms.issued2001-12-24-
dc.identifier.isiWOS:000172815100014-
dc.identifier.scopus2-s2.0-0035945094-
dc.identifier.eissn1077-3118-
dc.identifier.rosgroupidr09881-
dc.description.ros2001-2002 > 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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