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Colin Carlile, researcher at Lund Observatory. Photo.

Colin Carlile

Guest researcher

Colin Carlile, researcher at Lund Observatory. Photo.

Polarized neutron Laue diffraction on a crystal containing dynamically polarized proton spins

Author

  • F. M. Piegsa
  • M. Karlsson
  • B. van den Brandt
  • Colin Carlile
  • E. M. Forgan
  • P. Hautle
  • J. A. Konter
  • G. J. McIntyre
  • O. Zimmer

Summary, in English

A polarized neutron Laue diffraction experiment on a single crystal of neodymium-doped lanthanum magnesium nitrate hydrate containing polarized proton spins is reported. By using dynamic nuclear polarization to polarize the proton spins, it is demonstrated that the intensities of the Bragg peaks can be enhanced or diminished significantly, whilst the incoherent background, due to proton spin disorder, is reduced. It follows that the method offers unique possibilities to tune continuously the contrast of the Bragg reflections and thereby represents a new tool for increasing substantially the signal-to-noise ratio in neutron diffraction patterns of hydrogenous matter.

Department/s

  • European Spallation Source ESS AB

Publishing year

2013

Language

English

Pages

30-34

Publication/Series

Journal of Applied Crystallography

Volume

46

Issue

1

Document type

Journal article

Publisher

International Union of Crystallography

Topic

  • Natural Sciences
  • Physical Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 1600-5767