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Figure 2
The distribution of path lengths equal to one wavelength (to within a very small tolerance) from scattering points on adjacent planes. As the tolerance is reduced it concentrates on a single value at 2θB and the other coincidences become sparser. This example calculation uses a crystal plane separation of 0.31356 nm and wavelength of 0.1541 nm, giving rise to a Bragg scattering angle 2θB = 28.45°.

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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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