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Figure 5
X-ray section topography of the single diamond (110) sample containing a single stacking-fault defect in the imaged volume, imaged at a propagation distance of 40 mm. (a) Experimental image, (b) simulated image with one coherent mode, (c) polychromatic simulated image. The dotted white lines in (a)–(c) mark the edge of the Borrmann triangle. (d) Sketch of the scattering geometry in reciprocal space in the laboratory frame. The incident beam consists of a continuum of rays of different k0 vectors (blue rectangle); due to the divergence and finite bandwidth of the incident beam, this smears out the Ewald's sphere to a shell. For a given rotation of the crystal only points on the dotted line (the bisection of the Q vector) satisfy the Bragg condition. Different energy components scatter at slightly different angles.

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ISSN: 2053-2733
Volume 78| Part 6| November 2022| Pages 482-490
https://doi.org/10.1107/S205327332200866X
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