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Figure 10
(a) A histogram of the scattered intensities collected in five 14.08° segments for LaB6 with no sample movement, showing that all the expected peaks appear. When the sample was rocked in the beam the intensities matched those from the database. This is the case for a detector radius of 55 mm. (b) A histogram of the scattered peak intensities collected with the Bragg–Brentano geometry, illustrating the same behaviour; all the peaks are shown, but not until the sample is rotated (in this case measured at several azimuths and summed) do they match those in the database. The intensity of the first peak includes a contribution from the Cu Kα2 characteristic line that has increased the peak height. The database used is based on a monochromatic source.

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