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![[Figure 1]](pl5049fig1mag.jpg)
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Figure 1
(a) The Bird and King absorption factor for aluminium, fAl′B&K, plotted at E0 = 200 keV over the range 0 Å−1 ≤ s ≤ 6 Å−1 and 0.05 Å2 ≤ BAl ≤ 2.0 Å2, with s along the horizontal axis and BAl along the vertical axis. The magnitude of fAl′B&K as computed by the ATOM subroutine is given by the colour scale, and this plot is constructed from a grid of 200 × 200 pixels uniformly spanning the full range of BAl and s specified above. (b) A plot of fAl′B&K as a function of BAl at s = 0 Å−1. The coloured lines in (a) and (b) correspond to four different temperatures (T = 10 K, T = 90 K, T = 293 K and T = 573 K) attainable with liquid helium cooling, liquid nitrogen cooling, ambient conditions and in situ annealing, respectively. (c) Profiles of fAl′B&K as a function of s are plotted for each of these four temperatures. |
![[Figure 1]](pl5049fig1.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
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