A study of the electric quadrupole Raman processes of the proton-conducting KHSeO4 and KDSeO4 single crystals using H-1, H-2 and K-39 NMR

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dc.contributor.authorLim, ARko
dc.contributor.authorYoon, Choon Supko
dc.date.accessioned2013-08-08T03:59:35Z-
dc.date.available2013-08-08T03:59:35Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2008-08-
dc.identifier.citationPHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, v.245, pp.1641 - 1646-
dc.identifier.issn0370-1972-
dc.identifier.urihttp://hdl.handle.net/10203/174258-
dc.description.abstractThe spin-lattice relaxation time, T(1), and the spin-spin relaxation time, T(2), of the (1)H, (2)H, and (39)K nuclei in KHSeO(4) and KDSeO(4) crystals were determined in the temperature range 160-420 K. The T(1) of the (39)K nuclei in the two crystals were found to decrease with increasing temperature, and the spin-lattice relaxation rate, T(1)(-1), for (39)K is proportional to T(k). In the case of KHSeO(4), T(1)(-1) for the (39)K nuclei was found to have a very strong temperature, dependence, i.e. it is proportional to T(7). The temperature dependence of the (39)K relaxation rate in KDSeO(4) is in accordance with a Raman process, as T(1)(-1) proportional to T(2). Thus, for the (39)K nuclei in the two crystals, Raman processes with k = 2 and 7 is due to the coupling of electric quadrupole moments to the thermal fluctuations of the local electric field gradients. (c) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.subjectSPIN-LATTICE-RELAXATION-
dc.subjectPHASE-TRANSITIONS-
dc.subjectHYDROGENSELENATE-
dc.subjectRESONANCE-
dc.subjectEXCHANGE-
dc.subjectDYNAMICS-
dc.subjectCSHSO4-
dc.subjectMOTION-
dc.titleA study of the electric quadrupole Raman processes of the proton-conducting KHSeO4 and KDSeO4 single crystals using H-1, H-2 and K-39 NMR-
dc.typeArticle-
dc.identifier.wosid000258414500026-
dc.identifier.scopusid2-s2.0-55449100766-
dc.type.rimsART-
dc.citation.volume245-
dc.citation.beginningpage1641-
dc.citation.endingpage1646-
dc.citation.publicationnamePHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS-
dc.identifier.doi10.1002/pssb.200743356-
dc.contributor.localauthorYoon, Choon Sup-
dc.contributor.nonIdAuthorLim, AR-
dc.type.journalArticleArticle-
dc.subject.keywordPlusSPIN-LATTICE-RELAXATION-
dc.subject.keywordPlusPHASE-TRANSITIONS-
dc.subject.keywordPlusHYDROGENSELENATE-
dc.subject.keywordPlusRESONANCE-
dc.subject.keywordPlusEXCHANGE-
dc.subject.keywordPlusDYNAMICS-
dc.subject.keywordPlusCSHSO4-
dc.subject.keywordPlusMOTION-
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