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Figure 15
The variation in the specular (amplitude)2 for several crystal plane dimensions as the incident angle Ω is changed from the optimum value at θ [from Fig. 4(b), Fewster, 2014BB13]. This profile is for perfect crystals (with full coherence across the plane) and can be considered as the thickness profile of the Ewald sphere, equation (10)[link] in Appendix B[link].

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ISSN: 2053-2733
Volume 74| Part 5| September 2018| Pages 481-498
https://doi.org/10.1107/S2053273318007593
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