Microscopic origin of the nonexponential dynamics in a glassy crystal

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dc.contributor.authorBöhmer, Roland
dc.contributor.authorWinterlich, M.
dc.contributor.authorDiezemann, G.
dc.contributor.authorZimmermann, H.
dc.date.accessioned2008-06-13T10:08:30Z
dc.date.available2008-06-13T10:08:30Z
dc.date.issued2003-12-03
dc.description.abstractThe origin of the slow relaxation and of the dynamic heterogeneity is studied for an orientationally disordered crystal, orthocarborane, composed of quasi-icosahedrally shaped molecules. Multidimensional deuteron magnetic resonance reveals that large jump angles dominate their complex, anisotropic reorientational motion. It involves a sequence of small-angle tilts about locally preferred axes as well as symmetry adapted threefold jumps. The intrinsic dynamics of this glassy crystal is nonexponential and can be fully accounted for in terms of the tilt and jump motion.en
dc.identifier.citationWinterlich, M.; Böhmer, R.; Diezemann, G.; Zimmermann, H.. Microscopic origin of the nonexponential dynamics in a glassy crystal. In: Physical Review Letters Nr. 23, Jg. 91(2003), 235504/1-4, doi: 10.1103/PhysRevLett.91.235504.de
dc.identifier.doi10.1103/PhysRevLett.91.235504
dc.identifier.urihttp://hdl.handle.net/2003/25564
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-2665
dc.identifier.urlhttp://dx.doi.org/10.1103/PhysRevLett.91.235504
dc.language.isoende
dc.publisherThe American Physical Societyen
dc.rights©2003 The American Physical Societyen
dc.subject.ddc530
dc.titleMicroscopic origin of the nonexponential dynamics in a glassy crystalen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsrestricted

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