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  Isotope effects on the dynamics of a supercooled van der Waals Liquid

Jörg, T., Böhmer, R., Sillescu, H., & Zimmermann, H. (2000). Isotope effects on the dynamics of a supercooled van der Waals Liquid. EPL, 49(6), 748-753. doi:10.1209/epl/i2000-00214-6.

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Genre: Journal Article
Alternative Title : Isotope effects on the dynamics of a supercooled van der Waals Liquid

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EurphysLett_49_2000_748.pdf (Any fulltext), 148KB
 
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Jörg, T., Author
Böhmer, Roland, Author
Sillescu, Hans, Author
Zimmermann, Herbert1, Author           
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1Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_1497712              

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 Abstract: Deuteron magnetic resonance was used to study three differently isotope-labeled species of the fragile glass-forming liquid ortho-terphenyl. The calorimetric glass transition of the isotope deuterated only at the central phenyl ring is significantly lower than that of the perdeuterated one. It is shown that while the ortho-terphenyl molecule is not as rigid as previously often assumed, its overall reorientation geometry is independent of deuteration. The characteristic jump angles are found to increase with temperature, thus resolving an apparent discrepancy previously noted when comparing typical jump sizes from NMR with other data.

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Language(s): eng - English
 Dates: 1999-05-032000-01-142000-03-15
 Publication Status: Issued
 Pages: 7
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 Table of Contents: -
 Rev. Type: Peer
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Title: EPL
  Other : Europhysics Letters
Source Genre: Journal
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Publ. Info: Bristol : IoPP
Pages: - Volume / Issue: 49 (6) Sequence Number: - Start / End Page: 748 - 753 Identifier: Other: 0295-5075
CoNE: https://pure.mpg.de/cone/journals/resource/0295-5075