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

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Figure 1
XRF maps of Eu-doped BaAl₂O₄, showing the elemental distributions of (a) Ba, (b) Al and (c) Eu. (d) X-ray absorption spectrum of the location marked with the white dashed circle in panel (c). On the basis of features of the Eu²⁺ and Eu³⁺ ions, XAS can reveal the corresponding amounts of the Eu²⁺ and Eu³⁺ ions.

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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