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On the structure of nanorods and nanowires with pentagonal cross-sections

机译:具有五边形截面的纳米棒和纳米线的结构

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Here, we present a comprehensive study on the structure of multi-twinned decahedral-based nanorods and nanowires (Dh-NWs), specifically for the case of silver. We have demonstrated that their high-resolution transmission electron images (HRTEM) can be interpreted as a Moire pattern contrast based on a multi-twinned decahedron, and that their selected-area electron diffraction (SAED) patterns can be also completely generated through the same multi-twinned decahedron basis. We propose that the structure of these nanowires can be interpreted as a chain of decahedra joined along the vertex, which is parallel to the five-fold symmetry axis. This chain can be generated through [111] growth for FCC structures. (c) 2005 Elsevier B.V. All rights reserved.
机译:在这里,我们对基于多面体的十面体纳米棒和纳米线(Dh-NWs)的结构进行全面研究,特别是针对银的情况。我们已经证明,它们的高分辨率透射电子图像(HRTEM)可以解释为基于多孪晶十面体的莫尔条纹图案对比度,并且它们的选择区域电子衍射(SAED)图案也可以通过相同的方式完全生成多双十面体的基础。我们建议这些纳米线的结构可以解释为沿顶点连接的十面体链,该顶点平行于五倍对称轴。该链可以通过[111] FCC结构的增长来生成。 (c)2005 Elsevier B.V.保留所有权利。

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