Implications of size dispersion on X-ray scattering of crystalline nanoparticles: CeO2 as a case study

Valério, A.; Trindade, F.J.; Penacchio, R.F.S.; Cisi, B.; Damasceno, S.; Estradiote, M.B.; Rodella, C.B.; Ferlauto, A.S.; Kycia, S.W.; Morelhão, S.L.

doi:10.1107/S1600576724003108

Journal of Applied Crystallography Journal of Applied
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Figure 10
SAXS curves simulated for polydisperse systems of non-interacting cubic NPs with lognormal size-distribution parameters σ and L₀ from Table 3

, as indicated. In each panel, the curves have close values of L_saxs and $[\widetilde{L}_{6}]$ , but significantly different values of L_xrd and $[\widetilde{L}_{4}]$ (Table 3

). (a) Curves with different intensity maxima at Q = 0 and similar asymptotes, as caused by the NP–NP exclusion distance effect (inset). (b), (c) Curves with different asymptotes and similar intensities around Q = 0, as caused by an interface blurring effect due to very small particles (inset).

JOURNAL OF
APPLIED
CRYSTALLOGRAPHY

ISSN: 1600-5767

Volume 57| Part 3| June 2024| Pages 793-807

https://doi.org/10.1107/S1600576724003108

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