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Figure 3
(a) In situ SANS differential scattering cross section taken during water vapour desorption for different relative vapour pressures, where the value of one corresponds to the bulk water vapour pressure of 19.4 mbar (1940 Pa) at the given temperature of 290.2 K. (b) First-order Bragg peak after subtraction of the incoherent scattering and the cross section multiplied with q2 (Kratky plot) for the empty and the completely filled sample. The full lines are fits using a pseudo-Voigt function. A peak shift is indicated by the vertical lines at the respective peak maximum. The inset in Fig. 3[link](b) shows that the integrated cross section over the whole reciprocal space (scattering invariant) changes roughly linearly with relative pressure.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 50| Part 5| October 2017| Pages 1404-1410
https://doi.org/10.1107/S1600576717012274
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