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Figure 9
(Top) Three bicrystals shown as a translucent three-dimensional box with colours representing the phase change. The two twins have the same dimension (24 × 24 × 24 grid points) and the same overall variation of the phase ramp. However, the curvature of the parabolic function changes in the three objects. The change has been modelled by displacing the minimum of the parabolic function by 78 (a), 35 (b) and 15 (c) pixels from the object. (Middle) Calculated three-dimensional coherent diffraction patterns of the twinned objects. (Bottom) Selected isoscalar plane cut for the diffraction patterns.

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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