Results 221 to 230 of about 75,517 (292)

Design of polychromatic focusing optics for neutron reflectometers: rethinking REFocus optics

open access: yesJournal of Applied Crystallography, EarlyView.
REFocus optics, employing an elliptical mirror and higher‐order reflections, enable rapid wide‐Q‐range neutron reflectometry at reactor sources, achieving up to 100‐fold faster measurements compared with conventional methods.Neutron reflectometry is a widely used non‐destructive technique for analyzing surface and interfacial structures. In this study,
Norifumi L. Yamada   +3 more
wiley   +1 more source

Boron Neutron Capture Therapy: A Technology-Driven Renaissance. [PDF]

open access: yesCancers (Basel)
Zheng D   +8 more
europepmc   +1 more source

NuMagSANS: a GPU‐accelerated open‐source software package for the generic computation of nuclear and magnetic small‐angle neutron scattering observables of complex systems

open access: yesJournal of Applied Crystallography, EarlyView.
NuMagSANS, a GPU‐accelerated software package for the computation of nuclear and magnetic small‐angle neutron scattering cross sections and correlation functions of complex systems, is presented.We present NuMagSANS, a GPU‐accelerated software package for calculating nuclear and magnetic small‐angle neutron scattering (SANS) cross sections and ...
Michael P. Adams, Andreas Michels
wiley   +1 more source

Towards machine‐learning‐based on‐the‐fly analysis of neutron reflectometry

open access: yesJournal of Applied Crystallography, EarlyView.
An automated machine‐learning‐based processing and analysis workflow for neutron reflectometry data is presented. The approach has been successfully used for on‐the‐fly analysis during an experiment at the Institut Laue–Langevin (Grenoble, France) and can be adapted to work at other neutron facilities seeking to enable real‐time feedback‐driven ...
Anne Rentzsch   +10 more
wiley   +1 more source

Multidimensional defect identification of semiconductors in nonequilibrium. [PDF]

open access: yesNat Commun
Liu J   +7 more
europepmc   +1 more source

Mean weighted residuals reveal systematic overestimation of Bragg intensities in single‐crystal diffraction

open access: yesJournal of Applied Crystallography, EarlyView.
Analysis of more than 8000 published data sets demonstrates that systematic overestimation of observed intensities can deceptively improve common agreement factors and atomic displacement parameters, masking underlying deficiencies in data quality.The mean value of weighted residuals (⟨ζ⟩) was analysed for 8424 published single‐crystal X‐ray data sets ...
Julian Henn, Piero Macchi, Toms Rekis
wiley   +1 more source

Mobile electromagnetic levitator for time‐resolved in situ X‐ray diffraction studies of high‐temperature phase transformations

open access: yesJournal of Synchrotron Radiation, EarlyView.
A mobile electromagnetic levitator combined with time‐resolved synchrotron X‐ray diffraction enables in situ studies of high‐temperature phase transformations without container‐induced contamination and reveals the first direct observation of metastable phase formation in undercooled Fe–Co alloys.In situ observations of high‐temperature transformations,
Olga Shuleshova   +6 more
wiley   +1 more source

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