Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/615
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dc.contributorDepartment of Applied Physics-
dc.creatorYuan, GL-
dc.creatorOr, DSW-
dc.creatorChan, HLW-
dc.date.accessioned2014-12-11T08:28:21Z-
dc.date.available2014-12-11T08:28:21Z-
dc.identifier.issn0021-8979-
dc.identifier.urihttp://hdl.handle.net/10397/615-
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 G.L. Yuan, S.W. Or, and H.L.W. Chan, J. Appl. Phys. 101, 064101 (2007) and may be found at http://link.aip.org/link/?jap/101/064101.en_US
dc.subjectBismuth compoundsen_US
dc.subjectNeodymium compoundsen_US
dc.subjectMultiferroicsen_US
dc.subjectFerroelectric ceramicsen_US
dc.subjectCrystal structureen_US
dc.subjectRaman spectraen_US
dc.subjectX-ray diffractionen_US
dc.subjectFerroelectric transitionsen_US
dc.subjectBonds (chemical)en_US
dc.titleRaman scattering spectra and ferroelectric properties of Bi[sub 1-x]Nd[sub x]FeO₃ (x=0-0.2) multiferroic ceramicsen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: Siu Wing Oren_US
dc.description.otherinformationAuthor name used in this publication: Helen Lai Wa Chanen_US
dc.identifier.spage1-
dc.identifier.epage5-
dc.identifier.volume101-
dc.identifier.issue6-
dcterms.abstractSingle-phase Bi[sub 1−x]Nd[sub x]FeO₃ (BNFO[sub x])(x=0-0.2) multiferroic ceramics were prepared to study the effects of Nd substitution on their crystal structures, Raman scattering spectra, and ferroelectric properties. Rietveld refinement of x-ray diffraction data showed a gradual change in crystal structure from rhombohedral to pseudotetragonal via triclinic with increasing x. The evolvement of Raman normal modes with increasing x suggested that such structural change is accompanied by the weakening of long-range ferroelectric order. The simultaneous occurrence of abrupt mode evolvement and ferroelectric-paraelectric transition in BNFO[sub x=0.175] and BNFO[sub x=0.2] was explained according to the change of Bi-O covalent bonds as a result of the decline in the stereochemical activity of the Bi lone electron pair at 0.175≤x≤0.2.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationJournal of applied physics, 16 Mar. 2007, v. 101, no. 6, 064101, p. 1-5-
dcterms.isPartOfJournal of applied physics-
dcterms.issued2007-03-16-
dc.identifier.isiWOS:000245317700107-
dc.identifier.scopus2-s2.0-34047158649-
dc.identifier.eissn1089-7550-
dc.identifier.rosgroupidr37872-
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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