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

T Wang,C.Y Jiang,T.O Farmer,L Debeer-Schmitt,J.F Wenzel,L Mcdonald,J.L Robertson,M.R Fitzsimmsons,X Tong

doi:10.1016/j.physb.2017.12.041

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

T Wang, C.Y Jiang + Show 7 more

Open Access

https://doi.org/10.1016/j.physb.2017.12.041

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Journal: Physica B Condensed Matter	Publication Date: Dec 15, 2017
Citations: 4	License type: publisher-specific-oa

Affiliation: Oak Ridge National Laboratory, University of Tennessee at Knoxville

#Mesoscale Structures #High Flux Isotope Reactor + Show 8 more

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Abstract

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.

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