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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 ![]() ![]() |
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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 ![]() ![]() |