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  Microscopic origin of the nonexponential dynamics in a glassy crystal

Winterlich, M., Diezemann, G., Zimmermann, H., & Böhmer, R. (2003). Microscopic origin of the nonexponential dynamics in a glassy crystal. Physical Review Letters, 91: 235504, pp. 1-4. doi:10.1103/PhysRevLett.91.235504.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002A-125F-D Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002A-1260-7
Genre: Journal Article
Alternative Title : Microscopic origin of the nonexponential dynamics in a glassy crystal

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PhysRevLett_91_2003_235504.pdf (Any fulltext), 232KB
 
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http://journals.aps.org/prl/pdf/10.1103/PhysRevLett.91.235504 (Any fulltext)
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http://dx.doi.org/10.1103/PhysRevLett.91.235504 (Any fulltext)
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 Creators:
Winterlich, Manfred, Author
Diezemann, Gregor, Author
Zimmermann, Herbert1, 2, Author           
Böhmer, Roland, Author
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1Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society, ou_1497705              
2Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society, ou_1497700              

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 Abstract: The origin of the slow relaxation and of the dynamic heterogeneity is studied for an orientation-ally 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.

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Language(s): eng - English
 Dates: 2003-06-042003-12-032003-12-05
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 665515
DOI: 10.1103/PhysRevLett.91.235504
URI: http://www.ncbi.nlm.nih.gov/pubmed/14683195
URI: http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.91.235504
URI: http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.91.235504#fulltext
Other: 6478
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 91 Sequence Number: 235504 Start / End Page: 1 - 4 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1