The VERsatile DIffractometer will set a new standard for a world-class magnetic diffractometer with versatility for both powder and single crystal samples and capability for wide-angle polarization analysis. The instrument will utilize a large single-frame bandwidth and will offer high-resolution at low momentum transfers and excellent signal-to-noise ratio. A horizontal elliptical mirror concept with interchangeable guide pieces will provide high flexibility in beam divergence to allow for a high-resolution powder mode, a high-intensity single crystal mode, and a polarized beam option. A major science focus will be quantum materials that exhibit emergent properties arising from collective effects in condensed matter. The unique use of polarized neutrons to isolate the magnetic signature will provide optimal experimental input to state-of-the-art modeling approaches to access detailed insight into local magnetic ordering.
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June 2022
Research Article|
June 07 2022
VERDI: VERsatile DIffractometer with wide-angle polarization analysis for magnetic structure studies in powders and single crystals
Special Collection:
New Science Opportunities at the Spallation Neutron Source Second Target Station
V. Ovidiu Garlea
;
V. Ovidiu Garlea
a)
1
Neutron Scattering Division, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831, USA
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Stuart Calder
;
Stuart Calder
a)
1
Neutron Scattering Division, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831, USA
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Thomas Huegle;
Thomas Huegle
2
Neutron Technology Division, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831, USA
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Jiao Y. Y. Lin
;
Jiao Y. Y. Lin
3
Second Target Station, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831, USA
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Fahima Islam;
Fahima Islam
2
Neutron Technology Division, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831, USA
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Alexandru Stoica;
Alexandru Stoica
1
Neutron Scattering Division, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831, USA
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Van B. Graves
;
Van B. Graves
3
Second Target Station, Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831, USA
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Benjamin Frandsen
;
Benjamin Frandsen
4
Department of Physics and Astronomy, Brigham Young University
, Provo, Utah 84602, USA
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Stephen D. Wilson
Stephen D. Wilson
5
Materials Department and California Nanosystems Institute, University of California Santa Barbara
, Santa Barbara, California 93106, USA
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Note: Paper published as part of the Special Topic on New Science Opportunities at the Spallation Neutron Source Second Target Station.
Rev. Sci. Instrum. 93, 065103 (2022)
Article history
Received:
March 10 2022
Accepted:
May 11 2022
Citation
V. Ovidiu Garlea, Stuart Calder, Thomas Huegle, Jiao Y. Y. Lin, Fahima Islam, Alexandru Stoica, Van B. Graves, Benjamin Frandsen, Stephen D. Wilson; VERDI: VERsatile DIffractometer with wide-angle polarization analysis for magnetic structure studies in powders and single crystals. Rev. Sci. Instrum. 1 June 2022; 93 (6): 065103. https://doi.org/10.1063/5.0090919
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