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  Molecular dynamics in zeolitic host systems

Huwe, A., Kremer, F., Kärger, J., Behrens, P., Schwieger, W., Ihlein, G., et al. (2000). Molecular dynamics in zeolitic host systems. Journal of Molecular Liquids, 86(1-3), 173-182. doi:10.1016/S0167-7322(99)00138-5.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0024-47C6-2 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0024-47C7-F
Genre: Journal Article

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 Creators:
Huwe, A.1, Author
Kremer, F.1, Author
Kärger, J.1, Author
Behrens, P.2, Author
Schwieger, W.3, Author
Ihlein, G.4, Author
Weiß, Ö.5, Author           
Schüth, F.5, Author           
Affiliations:
1University of Leipzig, Department of Physics, D - 04103 Leipzig, Germany, ou_persistent22              
2University of Hannover, Department of Chemistry, D - 30167 Hannover, Germany, ou_persistent22              
3University Erlangen-Nürnberg, Department for Chemical Engineering, D - 91058 Erlangen, German, ou_persistent22              
4Max Planck Institute of Coal Research, D - 45470 Mülheim / Ruhr, Germany, ou_persistent22              
5Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              

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 Abstract: Broadband dielectric spectroscopy (10-2Hz - 109Hz) is employed to study the molecular dynamics of the simple glassforming liquid ethylene glycol (EG) being confined to zeolites of varying size and topology. A sharp transition is observed from a single molecule dynamics (with an Arrhenius-type temperature dependence) to that of a liquid (with a temperature dependence of the mean relaxation rate according to a Vogel-Fulcher-Tammann-law (VFT-law)): While EG in silicalite and H-ZSM-5 (showing a single-molecule relaxation) has a coordination number of four, EG in zeolite beta or AIPO4-5 has a coordination number of five and behaves like a bulk liquid.

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Language(s): eng - English
 Dates: 2000-08-152000-06
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/S0167-7322(99)00138-5
 Degree: -

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Title: Journal of Molecular Liquids
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 86 (1-3) Sequence Number: - Start / End Page: 173 - 182 Identifier: ISSN: 0167-7322
CoNE: https://pure.mpg.de/cone/journals/resource/954925483673