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Figure 7
(a) Experimental observation and (b) simulation of DMS lines in a Cu(311) single crystal with high-flux synchrotron X-rays of 7.82 keV, π-polarization (horizontal scattering plane). A dark cone is also visible in the imaged area (white arrows). Detector area perpendicular and centred at 850 mm from the sample, Diamond Light Source I16 (Collins et al., 2010BB12), Pilatus 2M detector (1679 × 1475 pixels of 0.172 mm). ω0 = ω (pixel m0n0) = 45°, corresponding to h = k = l = 1.8618, Φ0 = 216° and Φ (pixel m0n0) = Φ0 − 180° in the reference frame of Fig. 5(j). Pixel m0n0 is defined in Appendix A1[link]. Simulation based on a short-range DS model plus mosaicity; see text for details.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 58| Part 3| June 2025| Pages 859-868
https://doi.org/10.1107/S1600576725003553
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