Turn-key module for neutron scattering with sub-micro-eV resolution

Georgii, R.; Arend, N.; Brandl, G.; Pfleiderer, C.; Tischendorf, A.; Häußler, W.; Lal, J.; Böni, P.

doi:10.1063/1.3556558

Journal Article

PreJuSER-19542

Turn-key module for neutron scattering with sub-micro-eV resolution

Georgii, R. ; Brandl, G. ; Arend, N.FZJ* ; Häußler, W. ; Tischendorf, A. ; Pfleiderer, C. ; Böni, P. ; Lal, J.

2011
American Institute of Physics Melville, NY

Applied physics letters 98, 073505 (2011) [10.1063/1.3556558]

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Please use a persistent id in citations: http://hdl.handle.net/2128/7393 doi:10.1063/1.3556558

Abstract: We report the development of a compact turn-key module that boosts the resolution in quasielastic neutron scattering by several orders of magnitude down to the low sub-micro-eV range. It is based on a pair of neutron resonance spin flippers that generate a well defined temporal intensity modulation, also known as Modulation of IntEnsity by Zero Effort (MIEZE). The module may be used under versatile conditions, in particular, in applied magnetic fields and for depolarizing and incoherently scattering samples. We demonstrate the power of MIEZE in studies of the helimagnetic order in MnSi under applied magnetic fields. (C) 2011 American Institute of Physics. [doi:10.1063/1.3556558]

Keyword(s): J

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Physics, Applied

Note: We gratefully acknowledge support by R. Schwikowski, A. Mantwill, M. Wipp, and the team of FRM II. We wish to thank R. Gahler, L. Robertson, I. Anderson, and W. Petry for helpful discussions and support. Financial support through the German Science Foundation (DFG) under TRR80, the Oak Ridge National Laboratory, and the European Commission under the 7th Framework Program, Contract no. CP-CSA INFRA-2008-1.1.1 Number 226507-NMI3 is acknowledged.

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Appears in the scientific report 2011

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