New Polarized Small Angle Neutron Scattering capability at the High Flux Isotope Reactor

Polarized Small Angle Neutron Scattering (SANS) is a powerful tool for studying mesoscale magnetic structures. In a recent development at the Oak Ridge National Laboratory (ORNL), a polarized neutron beam has been implemented for the CG-2 (GP-SANS) beamline at the High Flux Isotope Reactor (HFIR). T...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2018-12, Vol.551 (C), p.492-495
Main Authors: Wang, T., Jiang, C.Y., Farmer, T.O., Debeer-Schmitt, L., Wenzel, J.F., McDonald, L., Robertson, J.L., Fitzsimmsons, M.R., Tong, X.
Format: Article
Language:English
Subjects:
Magnetic fields
Neutron beams
Neutron flux
Neutron scattering
Neutrons
Nuclear reactors
Polarization analysis
Polarized 3He
Polarized neutron scattering
Polarized SANS
Polarizers
Research facilities
Scattering
Transmission electron microscopy
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Summary:Polarized Small Angle Neutron Scattering (SANS) is a powerful tool for studying mesoscale magnetic structures. In a recent development at the Oak Ridge National Laboratory (ORNL), a polarized neutron beam has been implemented for the CG-2 (GP-SANS) beamline at the High Flux Isotope Reactor (HFIR). Three major components were developed to provide the polarized neutron capability: a transmission supermirror neutron polarizer, an adiabatic fast passage neutron spin flipper and a polarized 3He filter as neutron spin analyzer. The new polarized beam SANS capability was used to investigate several magnetic samples having mesoscale structures.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2017.12.041