Decay of single and double quantum coherences in deuterated glassy ortho-terphenyl

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dc.contributor.authorBöhmer, Roland
dc.contributor.authorKircher, O.
dc.contributor.authorDiezemann, G.
dc.contributor.authorHinze, G.
dc.contributor.authorSchug, K. U.
dc.contributor.authorSillescu, H.
dc.contributor.authorZimmermann, H.
dc.date.accessioned2008-06-18T10:52:46Z
dc.date.available2008-06-18T10:52:46Z
dc.date.issued1998-05-22
dc.description.abstractThe decay of single and double quantum coherences in amorphous ortho-terphenyl is studied by means of deuteron NMR echo experiments near and below the calorimetric glass transition temperature Tg. In perdeuterated samples a Gaussian decay for these coherences is found at low temperatures, in accord with theoretical predictions for random local dipolar fields. A method is proposed to extract information about slow motional processes from ordinary solid echo experiments below Tg. Partly deuterated ortho-terphenyl does not show a Gaussian decay. Simple model calculations show that this observation indicates the importance of correlations of the local dipolar fields in the presence of protonsen
dc.identifier.citationKircher, O.; Diezemann, G.; Böhmer, R.; Hinze, G.; Schug, K. U.; Sillescu, H.; Zimmermann, H.: Decay of single and double quantum coherences in deuterated glassy ortho-terphenyl. In: Journal of Chemical Physics Nr. 20, Jg. 108(1998), S. 8550-8556, doi: 10.1063/1.476284.de
dc.identifier.doi10.1063/1.476284
dc.identifier.urihttp://hdl.handle.net/2003/25709
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-3355
dc.identifier.urlhttp://dx.doi.org/ 10.1063/1.476284
dc.language.isoende
dc.publisherAmerican Institute of Physicsen
dc.rights©1998 American Institute of Physicsen
dc.subjectorganic compoundsen
dc.subjectglass transitionen
dc.subjectspin echo (NMR)en
dc.subject.ddc530
dc.titleDecay of single and double quantum coherences in deuterated glassy ortho-terphenylen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsrestricted

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