Small Bragg-plane slope errors revealed in synthetic diamond crystals

Pradhan, P.; Wojcik, M.; Huang, X.; Kasman, E.; Assoufid, L.; Anton, J.; Shu, D.; Terentyev, S.; Blank, V.; Kim, K.-J.; Shvyd'ko, Y.

doi:10.1107/S1600577520012746

Journal of Synchrotron Radiation Journal of
Synchrotron Radiation

IUCr IT WDC

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Figure 7
Averaged specific Bragg-plane slope errors $[\langle \sigma _{\theta}^* \rangle]$ in the diamond crystal with strain-relief cuts after laser cutting (green), after MTA annealing (red) and after clamping (blue), evaluated as a function of the area-detector binning number N and compared with the reference silicon crystal values. The averaging is performed over either (a) the top six or (b) the top four of the eight equal-sized 1 mm × 1 mm ROIs indicated in Figs. 6