Visualizing the valence states of europium ions in Eu-doped BaAl2O4 using X-ray nanoprobe mapping

Wu, Y.-H.; Lin, Y.-Y.; Chen, J.-L.; Fu, S.-Y.; Huang, S.-C.; Lee, C.-; Chen, B.-Y.; Yin, G.-C.; Huang, E.-W.; Tang, M.-T.; Lin, B.-H.

doi:10.1107/S1600577521012947

Journal of Synchrotron Radiation Journal of
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Figure 2
Estimation results for the distributions of (a) Eu²⁺ and (b) Eu³⁺ ions. Panels (c) and (d) show XAS spectra of the locations/areas marked with the red dashed circles in panels (a) and (b), respectively. The XAS spectra demonstrate the accuracy of the estimated results, implying that the valence states of the Eu ions can be easily and quickly visualized using XRF mapping.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 29| Part 2| March 2022| Pages 456-461

https://doi.org/10.1107/S1600577521012947

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