Correlation of primary and secondary relaxations in a supercooled liquid

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dc.contributor.authorBöhmer, Roland
dc.contributor.authorDiezemann, G.
dc.contributor.authorGeil, B.
dc.contributor.authorHinze, G.
dc.contributor.authorNowaczyk, A.
dc.contributor.authorWinterlich, M.
dc.date.accessioned2008-06-11T16:03:42Z
dc.date.available2008-06-11T16:03:42Z
dc.date.issued2007
dc.description.abstractThe widespread assumption that primary and secondary relaxations in glass-forming materials are independent processes is scrutinized using spin-lattice relaxation weighted stimulated-echo spectroscopy. This nuclear magnetic resonance (NMR) technique is simultaneously sensitive to the dynamics on well-separated time scales. For the deeply supercooled liquid sorbitol, which exhibits a strong secondary relaxation, the primary relaxation (that is observable using NMR) can be modified by suppressing the contributions of those subensembles which are characterized by relatively slow secondary relaxations. This is clear evidence for a correlation between primary and secondary relaxation times. In the disordered crystal orthocarborane high-frequency processes are absent and consequently no such modifications could be achieved.en
dc.identifier.citationBöhmer, R.; Diezemann, G.; Geil, B.; Hinze, G.; Nowaczyk, A.; Winterlich, M.: Correlation of primary and secondary relaxations in a supercooled liquid. In: Physical Review Letters Jg. 97(2006), 135701/1-4, doi: 10.1103/PhysRevLett.97.135701.de
dc.identifier.doi10.1103/PhysRevLett.97.135701
dc.identifier.urihttp://hdl.handle.net/2003/25508
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-3095
dc.identifier.urlhttp:/dx.doi.org/10.1103/PhysRevLett.97.135701
dc.language.isoende
dc.publisherElsevierde
dc.rightsCopyright © 2007 Elsevier B.V. All rights reserved.en
dc.subject.ddc530
dc.titleCorrelation of primary and secondary relaxations in a supercooled liquiden
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsrestricted

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