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Figure 5
Example GISAXS data reduction performed in INSIGHT of spray-coated perovskite. (a) Two-dimensional GISAXS data transformed to reciprocal space. As is common, the data are shown as a qy–qz plot. INSIGHT offers the possibility of performing GISAXS horizontal cuts in qr space, if qx cannot be neglected. The transformed GISAXS image shows vertical and horizontal line-cut outlines in purple and green, respectively. The respective cut data are shown in (b) and (c). In panel (c), the data points of the left and right sides are plotted together, and establishing a common trend of both sides results from careful optimization of the geometric parameters used for the transformation. Note that such a combination is only meaningful in the case of a rotationally invariant (around the z axis) sample. In panels (b) and (c) the cut parameters are provided in nm−1.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 57| Part 2| April 2024| Pages 509-528
https://doi.org/10.1107/S1600576723011159
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