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Figure 4
Illustration of azimuthal rotation in (a) three dimensions and (b) top view. The scattering occurs when the reciprocal lattice intersects with the Ewald sphere (radius = 1). The crystal rotation needed for the intersection is given for 2D (gray dot and angle) and 3D cases (blue dot and angle). The blue dot is the projection of the (hkl) lattice onto the Ewald sphere on the xy plane. With given scattering angles θx and θz, the azimuthal rotation αϕ between planes can be calculated.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 54| Part 5| October 2021| Pages 1327-1339
https://doi.org/10.1107/S1600576721007184
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