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Figure 2
(a) Total rocking curve showing the contributions from the layer and the substrate. (b) Calculated peak position map at 15 keV for the 333 Bragg reflection. The field of view is 1.5 mm × 4.7 mm (horizontal × vertical). Raw X-ray topographs of (c) the weak-beam condition of the MCT layer, (d) at the peak position, (e) the diffracted image on the Bragg condition of the substrate. The yellow arrows show examples of the correlated defects whereas the red arrows show threading dislocations of the substrate. White color indicates higher intensity. All intensity values are shown in a linear scale. The red scale bars in (b) and (d) show the vertical length scale, 300 and 100 µm, respectively. The black scale bars represents the horizontal length scale.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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