Spatial displacement of forward-diffracted X-ray beams by perfect crystals

Rodriguez-Fernandez, A.; Esposito, V.; Sanchez, D.F.; Finkelstein, K.D.; Juranic, P.; Staub, U.; Grolimund, D.; Reiche, S.; Pedrini, B.

doi:10.1107/S2053273318001419

Acta Crystallographica Section A
Acta Crystallographica
Section A FOUNDATIONS AND ADVANCES

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Figure 9
Energy dependence of the integrated echo intensity corresponding to the data of Figs. 7

and 8

. The blue circles are the values obtained from the experimental data, while the red squares are from the simulations. The intensities A_i of the direct beam (i = 0) and of the first three echoes (i = 1–3) are obtained by modelling the data with the multi-peak functions [equations (11

) and (12

)], and are shown as a function of the energy difference $[c\Delta k]$ with respect to the maximal diffraction condition.