High Definition X-Ray Fluorescence: Principles and Techniques
Table 1
Selected monochromator crystals with selected d-spacings and reflection widths for 1 Å(12.4 keV) X-rays.
Crystal
Reflection
d-spacing (nm)
Refl. width (rad)
Intrinsic resolution,
Silicon
(111)
0.31355
22.3
(220)
0.19201
15.8
5,37
Germanium
(111)
0.32664
50.1
(220)
0.20002
37.4
Diamond
(111)
0.20589
15.3
(400)
0.089153
5.2
Graphite
(0002)
0.3354
Sample dependent
Sample dependent
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