AI Article Synopsis
- - The neutron reflectometer at Delft University of Technology has been upgraded and relocated, enabling research on various interfaces like air/liquid and solid/air.
- - Key improvements include a new flexible double disk chopper system for better wavelength resolution, a movable diaphragm for controlling beam size, and guides along the neutron flight path to enhance intensity.
- - The upgraded reflectometer's capabilities are demonstrated through measurements on hydrogen sensing materials, showcasing its enhanced performance.
Article Abstract
The horizontal time-of-flight neutron reflectometer at the reactor of the Delft University of Technology, The Netherlands, has been completely renewed, relocated, and upgraded and allows for the study of air/liquid, solid/liquid, and solid/air interfaces. Innovations in the redesign include (i) a completely flexible double disk chopper system allowing to choose the optimal wavelength resolution with exchangeable neutron guide sections between the chopper disks to increase intensity, (ii) a movable second diaphragm just before the sample position to better control the beam footprint on the sample and effectively decrease counting times, and (iii) guides along the entire flight path of the neutron reflectometer. The performance of the renewed reflectometer is illustrated with measurements of hydrogen sensing materials.
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| http://dx.doi.org/10.1063/5.0155888 | DOI Listing |
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