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首页> 外文期刊>Nano letters >Catalyst-free synthesis, structural, and mechanical characterization of twinned Mg2B2O5 nanowires
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Catalyst-free synthesis, structural, and mechanical characterization of twinned Mg2B2O5 nanowires

机译：孪晶Mg2B2O5纳米线的无催化剂合成，结构和机械表征

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摘要

Mg2B2O5 nanowires with (010) twins were synthesized for the first time using a catalyst-free method. The microstructure of the Mg2B2O5 nanowires has been extensively studied by cross-sectional high-resolution transmission electron microscopy. Nanoindentation tests were performed directly on individual nanowires to probe their mechanical properties. It was found that the twinned Mg2B2O5 nanowires achieve comparable hardness but 19% decrease in elastic modulus compared to their bulk counterpart. The elastic softening mechanisms of the Mg2B2O5 nanowires are discussed with reference to their twin defects, size, and surface effects.
机译：使用无催化剂方法首次合成了具有（010）孪晶的Mg2B2O5纳米线。 Mg2B2O5纳米线的微观结构已通过横截面高分辨率透射电子显微镜进行了广泛研究。纳米压痕测试直接在单个纳米线上进行，以探测其机械性能。已发现，孪生的Mg2B2O5纳米线具有可比的硬度，但与它们的整体相比，弹性模量降低了19％。 Mg2B2O5纳米线的弹性软化机理已参考其孪生缺陷，尺寸和表面效应进行了讨论。

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