Neutron scattering from solid 3He

R. Schanen, T. E. Sherline, A. M. Toader, V. Boyko, S. Mat'as, M. Meschke, S. Schöttl, E. D. Adams, B. Cowan, H. Godfrin, J. P. Goff, M. Roger, J. Saunders, K. Siemensmeyer, Y. Takano

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

Multiple spin exchange leads, according to present understanding, to a variety of magnetically ordered states in solid 3He, depending on pressure and applied magnetic field. We report the status of experiments to directly determine these structures by neutron scattering. The large neutron absorption cross section, and associated sample heating, impose severe experimental demands on the design of the sample cell. We report on our proposed solution, including details of the sintered heat exchanger necessary to cool the sample, as well as the PrNi5 nuclear demagnetization stage. The use of NMR in parallel experiments to characterise growth of the solid sample within the sinter is also discussed.

Original languageEnglish
Pages (from-to)392-393
Number of pages2
JournalPhysica B: Physics of Condensed Matter
Volume329-333
DOIs
StatePublished - May 2003
Externally publishedYes
EventProceedings of the 23rd international conference on low temper - Hiroshima, Japan
Duration: Aug 20 2002Aug 27 2002

Funding

This work is supported by the European Union under FP5 Research Network Contract HPRN-CT2000-00166.

Keywords

  • NMR
  • Neutron scattering
  • Solid He

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