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Figure 12
Cu-suppression spectra of CDA510 in the range 4.7–7.1 keV compared with two different model fits. The experimental spectra have been baseline-subtracted and were acquired over one hour. Relative peak intensities in the model fits are determined either by assuming no texture or by extracted pole figure data – see the main text for details. Each fit has just two fitted parameters, an overall scaling factor and the unit-cell size. The diffraction peaks in each spectrum are 220, 311, 222 and 400 in order of increasing energy, and the restricted energy range was chosen because each peak corresponds to one of the four independent pole figures shown in Fig. 11[link]. The four panels are (a) φ = 0°, (b) φ = 45°, (c) φ = 90°, (d) φ = 0° with a 15° sample tilt relative to the surface of the instrument nosepiece (equivalent to χ = 12°). For panels (a)–(c), the sample surface was flush with the nosepiece, corresponding to χ = 27°. The spectra in panel (d) have been multiplied by a factor of two to compensate for the lower count rate.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 51| Part 6| December 2018| Pages 1571-1585
https://doi.org/10.1107/S1600576718012943
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