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Figure 1
(a) Deconvolution of the XANES spectrum of UO2 reference compound into an edge step modelled by an arctangent function and pseudo-Voigt function to model the multiple-scattering component; (b) UO2 and LaUO4 XANES spectra and their difference spectrum. XRF maps at two energies (E1: 17170 eV; E2: 17179 eV) corresponding to maximum contrast between the XANES spectra were collected for chemical state map construction.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 28| Part 6| November 2021| Pages 1672-1683
https://doi.org/10.1107/S1600577521007748
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