Observation of spontaneous pattern with six-fold symmetry in disk-shaped ZnO complex microstructures
Observation of spontaneous pattern with six-fold symmetry in disk-shaped ZnO complex microstructures
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圆盘状 ZnO 复合微结构中六重对称自发图案的观察
DOI:
10.1007/s00339-007-4091-9
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发表时间:
2007-06
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影响因子:
--
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中科院分区:
文献类型:
--
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Using a simple vapor phase transport technique, we have fabricated unique complex disk-shaped ZnO microstructures comprising a small disk coaxially grown on a large one and observed spatially perfect six-fold symmetric patterns. The observed results can be explained based on the spontaneous nanoindentation (NI) effect under the geometric constraints and the explanation can be extended to fathom the growth mechanism of other highly symmetrical ZnO nanostructures. Our results indicate that NI not only can elucidate the mechanical properties of surfaces and thin films but also is an effective approach to fabricate ordered nanostructures with high precision on the location of the building blocks.
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