Volume 59, Number 1, July 2002
|Page(s)||62 - 67|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 June 2002|
Neutron scattering from polarised proton domains
Paul Scherrer Institute - CH-5232 Villigen
2 Commissariat à l'Energie Atomique, CE Saclay, DSM/DRECAM/SPEC F-91191 Gif-sur-Yvette cedex, France
3 Institut Laue Langevin - BP 156, F-38042 Grenoble cedex 9, France
4 Institut de Biologie Structurale Jean-Pierre Ebel - F-38027 Grenoble cedex 1, France
5 GKSS Forschungszentrum - D-21502 Geesthacht, Germany
6 Department of Physics E18, Technische Universität München James-Franck Strasse, D-85748 Garching, Germany
Accepted: 5 April 2002
Time-dependent small-angle polarised neutron scattering from domains of polarised protons has been observed at the onset of dynamic nuclear polarisation in a frozen solution of 98% deuterated glycerol-water at 1 containing a small concentration of paramagnetic centres (EHBA-). Simultaneous NMR measurements show that the observed scattering arises from protons around the -ions which are polarised to % in a few seconds, much faster than the protons in the bulk.
PACS: 61.12.Ex – Neutron scattering techniques (including small-angle scattering) / 76.70.Fz – Double nuclear magnetic resonance (DNMR), dynamical nuclear polarization
© EDP Sciences, 2002
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