Hyperspectral full-field quick-EXAFS imaging at the ROCK beamline for monitoring micrometre-sized heterogeneity of functional materials under process conditions

Briois, V.; Itié, J.P.; Polian, A.; King, A.; Traore, A.S.; Marceau, E.; Ersen, O.; La Fontaine, C.; Barthe, L.; Beauvois, A.; Roudenko, O.; Belin, S.

doi:10.1107/S1600577524006581

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Figure 7
(a) Experimental spectra recorded at isobar conditions at pixel Px = 10 and Py = 15 of images shown in Fig. 6

for P = 0.63 GPa (green noisy spectrum) and 3.40 GPa (gray noisy spectrum) compared with the spectra of HS and LS isolated by multivariate analysis. (b) Evolution of the spin fraction at this pixel during an increase of pressure from 0.63 to 3.40 GPa determined by MCR-ALS analysis.

JOURNAL OF
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ISSN: 1600-5775

Volume 31| Part 5| September 2024| Pages 1084-1104

https://doi.org/10.1107/S1600577524006581

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