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Figure 4
(Top) Coherent diffraction patterns of PCMO crystals showing a single peak with fringes (PCMO1–9, frame 77; 30 s of exposure time, one accumulation, Imax = 34600 counts s−1) (a), a split Bragg peak with speckles extending between the two centres (PCMO3–7, frame 28; 5 s of exposure time, three accumulations, Imax = 71630 counts s−1) (b) and a multi-centred data set (PCMO2–13, frame 88; 30 s of exposure time, one accumulation, Imax = 4260 counts s−1) (c). The full CCD recording area is shown for the sake of comparison. The angles discussed in the paper (η, γ and 2θ) are also displayed. (Bottom) Projections of the three-dimensional `collated' diffraction patterns showing the overall widths of the diffraction peaks.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 17| Part 6| October 2010| Pages 751-760
doi:10.1107/S0909049510039774
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