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Figure 4
The polychromatic profile across each diffraction spot was achieved here by having a monochromator dispersive setting on SRS station 7.2 and rotating the rhenium-containing test crystal in that essentially monochromatic beam. The bandpass across each spot is ∼60 eV and has been set on the rhenium LIII absorption edge in this case. The largest absorption at the rhenium XANES peak is seen directly via the white lines. Preserving the spectral distribution across each spot rests upon having a non-mosaic block crystal. From Helliwell (2005BB16). Reproduced with permission of Cambridge University Press.

Journal logoBIOLOGICAL
ISSN: 1399-0047
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