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Figure 3
(a) Excitation spectra of a sodium salicylate reference sample using the Al (red curve) and the Pt (blue curve) gratings. The black curve represents the calculated flux from the BM. (b) Excitation spectra of Gd3Ga5O12 in the spectral range of the Gd3+ 8S7/2–6IJ transitions, while monitoring the 6PJ–8S7/2 emission (317 nm) of Gd3+ at 10 K, recorded with a standard exit slit width of 2.5 mm (black curve) and the smallest controllable exit slit 0.1 mm (red curve) of the PM.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 32| Part 6| November 2025| Pages 1539-1548
https://doi.org/10.1107/S1600577525007568
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