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  35 Cl NQR and 2H NMR analysis of the low-frequency dynamics close to the displacive normal-incommensurate phase transition in an organic crystal

Etrillard, J., Meinel, C., Odin, C., Zimmermann, H., Toudic, B., & Ameline, J. C. (1999). 35 Cl NQR and 2H NMR analysis of the low-frequency dynamics close to the displacive normal-incommensurate phase transition in an organic crystal. Applied Magnetic Resonance, 17(2), 301-313. doi:10.1007/BF03162167.

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Alternative Title : 35 Cl NQR and 2H NMR analysis of the low-frequency dynamics close to the displacive normal-incommensurate phase transition in an organic crystal

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ApplMagReson_17_1999_301.pdf (Any fulltext), 563KB
 
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Etrillard, J., Author
Meinel, Christoph1, Author           
Odin, C., Author
Zimmermann, Herbert2, 3, Author           
Toudic, B., Author
Ameline, J. C., Author
Affiliations:
1Research Group Prof. Dr. Haeberlen, Max Planck Institute for Medical Research, Max Planck Society, ou_1497739              
2Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society, ou_1497705              
3Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society, ou_1497700              

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 Abstract: Nuclear magnetic resonance (NMR) experiments, 35Cl nuclear quadrupole resonance (NQR) and 2H NMR, have been performed close to the displacive normal-incommensurate phase transition in the organic crystal of bis-(4-chlorophenyl)-sulfone. Calculations using coherent neutron scattering results show that the soft-mode contribution cannot explain the rapid increase of the spin-lattice relaxation rates close to the transition temperature. Calculations of the spectral densities taking into account the existence of a central-peak phenomenon describe both 35Cl NQR and 2H NMR spin-lattice relaxation rates on approaching the phase transition. In this way, the width of the central peak can be estimated to be in the range of several gigahertz

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Language(s): eng - English
 Dates: 1999-04-281999-07-161999-06
 Publication Status: Issued
 Pages: 13
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 Rev. Type: Peer
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Title: Applied Magnetic Resonance
Source Genre: Journal
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Publ. Info: Springer-Verlag
Pages: - Volume / Issue: 17 (2) Sequence Number: - Start / End Page: 301 - 313 Identifier: ISSN: 0937-9347
CoNE: https://pure.mpg.de/cone/journals/resource/0937-9347