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Figure 4
(a), (b) HRTEM and (c) low-resolution STEM micrographs of ZnO nanospike cross sections along their growth direction, which is [[2 {\overline 1} {\overline 1} 0]^{\rm W}]. The spikes contain a high density of twinned domains (red dashed lines represent twin boundaries) and basal-plane stacking-mismatch defects (arrows). Often, twin boundaries of type [(0 1 {\overline 1} 3)] split the crystal into larger domains.

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APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
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