What is it about?
This study proposes a potential improvement to the scattering curve separation method in ASAXS. Edge scans are employed to calculate the atomic scattering factors required for the accurate determination of resonant scattering curves. The approach helps to mitigate the occurrence of partially or fully negative resonant curves.
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Why is it important?
Theoretically calculated atomic scattering factors have been widely employed for decades; however, such tabulated values correspond to free, isolated atoms, while ASAXS typically probes condensed matter—solids and liquids. The present study seeks to address this apparent contradiction.
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This page is a summary of: On the determination of resonant curves in anomalous small-angle X-ray scattering, Journal of Applied Crystallography, August 2025, International Union of Crystallography,
DOI: 10.1107/s1600576725006673.
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