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Title: A mechanical rotator for neutron scattering measurements

We have designed and built a mechanical rotation system for use in single crystal neutron scattering experiments at low temperatures. The main motivation for this device is to facilitate the application of magnetic fields transverse to a primary training axis, using only a vertical cryomagnet. Development was done in the context of a triple-axis neutron spectrometer, but the design is such that it can be generalized to a number of different instruments or measurement techniques. Here, we discuss some of the experimental constraints motivating the design, followed by design specifics, preliminary experimental results, and a discussion of potential uses and future extension possibilities.
Authors:
ORCiD logo [1] ; ORCiD logo [2] ;  [3] ; ORCiD logo [2]
  1. Univ. of Illinois, Urbana-Champaign, IL (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Univ. of Illinois, Urbana-Champaign, IL (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 87; Journal Issue: 12; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION
OSTI Identifier:
1399937

Thaler, A., Northen, E., Aczel, A. A., and MacDougall, G. J.. A mechanical rotator for neutron scattering measurements. United States: N. p., Web. doi:10.1063/1.4972279.
Thaler, A., Northen, E., Aczel, A. A., & MacDougall, G. J.. A mechanical rotator for neutron scattering measurements. United States. doi:10.1063/1.4972279.
Thaler, A., Northen, E., Aczel, A. A., and MacDougall, G. J.. 2016. "A mechanical rotator for neutron scattering measurements". United States. doi:10.1063/1.4972279. https://www.osti.gov/servlets/purl/1399937.
@article{osti_1399937,
title = {A mechanical rotator for neutron scattering measurements},
author = {Thaler, A. and Northen, E. and Aczel, A. A. and MacDougall, G. J.},
abstractNote = {We have designed and built a mechanical rotation system for use in single crystal neutron scattering experiments at low temperatures. The main motivation for this device is to facilitate the application of magnetic fields transverse to a primary training axis, using only a vertical cryomagnet. Development was done in the context of a triple-axis neutron spectrometer, but the design is such that it can be generalized to a number of different instruments or measurement techniques. Here, we discuss some of the experimental constraints motivating the design, followed by design specifics, preliminary experimental results, and a discussion of potential uses and future extension possibilities.},
doi = {10.1063/1.4972279},
journal = {Review of Scientific Instruments},
number = 12,
volume = 87,
place = {United States},
year = {2016},
month = {12}
}