Phase transition study on degenerate modes of Pb(Yb1/2Nb1/2)O-3 and Pb(Yb1/2Ta1/2)O-3

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dc.contributor.authorAhn, SJko
dc.contributor.authorKim, JJko
dc.contributor.authorKim, JHko
dc.contributor.authorChoo, Woong Kilko
dc.date.accessioned2013-03-04T10:37:27Z-
dc.date.available2013-03-04T10:37:27Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2004-
dc.identifier.citationINTEGRATED FERROELECTRICS, v.67, pp.159 - 166-
dc.identifier.issn1058-4587-
dc.identifier.urihttp://hdl.handle.net/10203/82421-
dc.description.abstractPb(Yb1/2Nb1/2)O-3 [PYN] and Pb(Yb1/2Ta1/2)O-3 [PYT] are highly ordered enough to be a prototype for spectroscopic studies of complex lead-based perovskite compounds Pb(B', B")O-3 system. We find out changes in the numbers of vibrational mode at each phase by Raman scattering. PYN based antiferroelectrics have the modes with the triple degeneracy. It may originate from antiparallel arrangements of cations and the accompanied octahedral tilting. PYT systems display an additional degeneracy as lowering a temperature. These results implicate Raman spectroscopy is more efficient than other methods for characterizing phases of PYN and PYT.-
dc.languageEnglish-
dc.publisherTaylor & Francis Ltd-
dc.subjectPEROVSKITE FERROELECTRICS-
dc.subjectRELAXOR FERROELECTRICS-
dc.subjectTANTALATE-
dc.subjectCERAMICS-
dc.subjectBEHAVIOR-
dc.subjectNIOBATE-
dc.subjectORDER-
dc.titlePhase transition study on degenerate modes of Pb(Yb1/2Nb1/2)O-3 and Pb(Yb1/2Ta1/2)O-3-
dc.typeArticle-
dc.identifier.wosid000226089900019-
dc.identifier.scopusid2-s2.0-33751173874-
dc.type.rimsART-
dc.citation.volume67-
dc.citation.beginningpage159-
dc.citation.endingpage166-
dc.citation.publicationnameINTEGRATED FERROELECTRICS-
dc.contributor.nonIdAuthorAhn, SJ-
dc.contributor.nonIdAuthorKim, JJ-
dc.contributor.nonIdAuthorKim, JH-
dc.type.journalArticleArticle; Proceedings Paper-
dc.subject.keywordAuthorantiferroelectric-
dc.subject.keywordAuthorperovskite-
dc.subject.keywordAuthorRaman spectroscopy-
dc.subject.keywordAuthorlattice dynamics-
dc.subject.keywordPlusPEROVSKITE FERROELECTRICS-
dc.subject.keywordPlusRELAXOR FERROELECTRICS-
dc.subject.keywordPlusTANTALATE-
dc.subject.keywordPlusCERAMICS-
dc.subject.keywordPlusBEHAVIOR-
dc.subject.keywordPlusNIOBATE-
dc.subject.keywordPlusORDER-
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