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Title: Probing magnetic correlations with spin-echo modulated small angle neutron scattering (SEMSANS)

Abstract

The first measurements of magnetic correlation functions are presented using time-of-flight Spin-echo modulated small angle neutron scattering (SEMSANS) on the Larmor instrument at the ISIS pulsed neutron source. The accessible length scale is beyond that of the conventional SANS. A simplified model is presented to calculate the expected correlation functions for various magnetisation fields applied to the sample. As an example, we present the experimental data of a soft iron sample at various configurations of magnetisation field.

Authors:
; ; ; ORCiD logo; ; ;
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1812840
Alternate Identifier(s):
OSTI ID: 1814246
Grant/Contract Number:  
AC05-00OR22725; SC0009584
Resource Type:
Published Article
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Name: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment Journal Volume: 1014 Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
Netherlands
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; small angle scattering; neutron; magnetism; neutron spin echo; magnetic Wollaston (MWP)

Citation Formats

Li, Fankang, Steinke, Nina -J., Dalgliesh, Robert M., Washington, Adam L., Shen, Jiazhou, Pynn, Roger, and Parnell, Steven R. Probing magnetic correlations with spin-echo modulated small angle neutron scattering (SEMSANS). Netherlands: N. p., 2021. Web. doi:10.1016/j.nima.2021.165705.
Li, Fankang, Steinke, Nina -J., Dalgliesh, Robert M., Washington, Adam L., Shen, Jiazhou, Pynn, Roger, & Parnell, Steven R. Probing magnetic correlations with spin-echo modulated small angle neutron scattering (SEMSANS). Netherlands. https://doi.org/10.1016/j.nima.2021.165705
Li, Fankang, Steinke, Nina -J., Dalgliesh, Robert M., Washington, Adam L., Shen, Jiazhou, Pynn, Roger, and Parnell, Steven R. Fri . "Probing magnetic correlations with spin-echo modulated small angle neutron scattering (SEMSANS)". Netherlands. https://doi.org/10.1016/j.nima.2021.165705.
@article{osti_1812840,
title = {Probing magnetic correlations with spin-echo modulated small angle neutron scattering (SEMSANS)},
author = {Li, Fankang and Steinke, Nina -J. and Dalgliesh, Robert M. and Washington, Adam L. and Shen, Jiazhou and Pynn, Roger and Parnell, Steven R.},
abstractNote = {The first measurements of magnetic correlation functions are presented using time-of-flight Spin-echo modulated small angle neutron scattering (SEMSANS) on the Larmor instrument at the ISIS pulsed neutron source. The accessible length scale is beyond that of the conventional SANS. A simplified model is presented to calculate the expected correlation functions for various magnetisation fields applied to the sample. As an example, we present the experimental data of a soft iron sample at various configurations of magnetisation field.},
doi = {10.1016/j.nima.2021.165705},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 1014,
place = {Netherlands},
year = {Fri Oct 01 00:00:00 EDT 2021},
month = {Fri Oct 01 00:00:00 EDT 2021}
}

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