M-STAR: Magnetism second target advanced reflectometer at the Spallation Neutron Source
Name
5.0093622.pdf
Description
Published version
Size
6.82 MB
Format
Adobe PDF
Checksum (MD5)
dd893d1bcb45eac3668aa266d4aaffda
Author(s)
Lauter, Valeria
Wang, Kang
Mewes, Tim
Glavic, Artur
Toperverg, Boris
Ahmadi, Mahshid
Assaf, Badih
Hu, Bin
Li, Mingda
Liu, Xinyu
Date Issued
2022
Journal
Review of Scientific Instruments
Publisher
AIP Publishing
Citation
Lauter, Valeria, Wang, Kang, Mewes, Tim, Glavic, Artur, Toperverg, Boris et al. 2022. "M-STAR: Magnetism second target advanced reflectometer at the Spallation Neutron Source." Review of Scientific Instruments, 93 (10).
Version
Final published version
Abstract
M-STAR is a next generation polarized neutron reflectometer with advanced capabilities. A new focusing guide concept is optimized for samples with dimensions down to a millimeter range. A proposed hybrid pulse-skipping chopper will enable experiments at constant geometry at one incident angle in a broad range of wavevector transfer Q up to 0.3 A−1 for specular, off-specular, and GISANS measurements. M-STAR will empower nanoscience and spintronics studies routinely on small samples (∼2 × 2 mm2) and of atomic-scale thickness using versatile experimental conditions of magnetic and/or electric fields, light, and temperature applied in situ to novel complex device-like nanosystems with multiple buried interfaces. M-STAR will enable improved grazing incidence diffraction measurements, as a surface-sensitive depth-resolved probe of, e.g., the out-of-plane component of atomic magnetic moments in ferromagnetic, antiferromagnetic, and more complex structures as well as in-plane atomic-scale structures inaccessible with contemporary diffractometry and reflectometry. New horizons will be opened by the development of an option to probe near-surface dynamics with inelastic grazing incidence scattering in the time-of-flight mode. These novel options in combination with ideally matched parameters of the second target station will place M-STAR in the world’s leading position for high resolution polarized reflectometry.
MIT Department
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
Terms of Use
Creative Commons Attribution 4.0 International license
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1063/5.0093622
