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Title: Data Correction of Intensity Modulated Small Angle Scattering

Abstract

To investigate long length scale structures using neutron scattering, real space techniques have shown certain advantages over the conventional methods working in reciprocal space. As one of the real space measurement techniques, spin echo modulated small angle neutron scattering (SEMSANS) has attracted attention, due to its relaxed constraints on sample environment and the possibility to combine SEMSANS and a conventional small angle neutron scattering instrument. In this report, we present the first implementation of SEMSANS at a pulsed neutron source and discuss important corrections to the data due to the sample absorption. These corrections allow measurements made with different neutron wavelengths and SEMSANS configurations to be overlaid and give confidence that the measurements provide an accurate representation of the density correlations in the sample.

Authors:
ORCiD logo [1];  [2]; ORCiD logo [3];  [3];  [2];  [4]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Delft Univ. of Technology, Delft (The Netherlands)
  3. STFC, Rutherford Appleton Lab, Oxon (United Kingdom)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Indiana Univ., Bloomington, IN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1526388
Grant/Contract Number:  
[AC05-00OR22725]
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
[ Journal Volume: 9; Journal Issue: 1]; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Li, Fankang Frank, Parnell, Steven R., Dalgliesh, Robert, Washington, Adam, Plomp, Jeroen, and Pynn, Roger. Data Correction of Intensity Modulated Small Angle Scattering. United States: N. p., 2019. Web. doi:10.1038/s41598-019-44493-9.
Li, Fankang Frank, Parnell, Steven R., Dalgliesh, Robert, Washington, Adam, Plomp, Jeroen, & Pynn, Roger. Data Correction of Intensity Modulated Small Angle Scattering. United States. doi:10.1038/s41598-019-44493-9.
Li, Fankang Frank, Parnell, Steven R., Dalgliesh, Robert, Washington, Adam, Plomp, Jeroen, and Pynn, Roger. Wed . "Data Correction of Intensity Modulated Small Angle Scattering". United States. doi:10.1038/s41598-019-44493-9. https://www.osti.gov/servlets/purl/1526388.
@article{osti_1526388,
title = {Data Correction of Intensity Modulated Small Angle Scattering},
author = {Li, Fankang Frank and Parnell, Steven R. and Dalgliesh, Robert and Washington, Adam and Plomp, Jeroen and Pynn, Roger},
abstractNote = {To investigate long length scale structures using neutron scattering, real space techniques have shown certain advantages over the conventional methods working in reciprocal space. As one of the real space measurement techniques, spin echo modulated small angle neutron scattering (SEMSANS) has attracted attention, due to its relaxed constraints on sample environment and the possibility to combine SEMSANS and a conventional small angle neutron scattering instrument. In this report, we present the first implementation of SEMSANS at a pulsed neutron source and discuss important corrections to the data due to the sample absorption. These corrections allow measurements made with different neutron wavelengths and SEMSANS configurations to be overlaid and give confidence that the measurements provide an accurate representation of the density correlations in the sample.},
doi = {10.1038/s41598-019-44493-9},
journal = {Scientific Reports},
number = [1],
volume = [9],
place = {United States},
year = {2019},
month = {6}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

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Cited by: 1 work
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Figures / Tables:

Figure 1 Figure 1: (a) The SESANS setup, where different shaded areas correspond to different magnetic field directions. The scattered neutrons are indicated by the dashed lines. (b) The SEMSANS setup. The second WP has higher and opposite field compared with the first one. After the sample, only the trajectories of themore » scattered neutrons captured by a specific pixel of the detector are plotted for clarity. Boxes labeled with $A$, $P$ and $D$ indicate the neutron polarization analyzer, polarizer and detector. $M$ denotes the neutron monitor right behind the sample used for the transmission measurement when needed.« less

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