GAPD: a GPU-accelerated atom-based polychromatic diffraction simulation code

E, J. C.; Wang, L.; Chen, S.; Zhang, Y. Y.; Luo, S. N.

doi:10.1107/S1600577517016733

Journal of Synchrotron Radiation Journal of
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Figure 6
(a) X-ray spectrum of the first harmonic of the U18 undulator with a gap of 13 mm at the APS beamline 32-ID (APS U18G13). (b) The γ–2θ plots of diffraction spot $[(13\bar{1})]$ from 4 nm single-crystal Cu for monochromatic X-rays ( $[\lambda_{\rm B}]$ = 0.5366 Å), and (c) for polychromatic X-rays with APS U18G13. (d) Diffraction profiles along $[2\theta]$ through the center of the $[(13\bar{1})]$ diffraction spot of single Cu obtained with the polychromatic source, for various crystal sizes. The black arrow denotes the Bragg peak position.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 25| Part 2| March 2018| Pages 604-611

https://doi.org/10.1107/S1600577517016733

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