Asymmetry the easy way

Samuel P. Gido

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Asymmetry the easy way

机译：不对称的简单方法

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From the atomic scale to the macroscopic, symmetry pervades nature. Crystalline materials, for example, can be described by any one of 230 space filling symmetry groups, which optimize energetic interactions between atoms or molecules. Self-assembled systems generally form with a point, line or plane of symmetry. This natural tendency towards symmetric structures has been the bane of self-assembled systems in applications ranging from liquid-crystal displays to frequency modulators to optical switches. On page 137 of this issue, Stadler and colleagues demonstrate a novel approach to producing a material that self-assembles to form a non-centrosymmetric layered nanostructure.

机译：从原子尺度到宏观，对称遍布自然。例如，结晶材料可以用230个空间填充对称性组中的任何一个来描述，它们可以优化原子或分子之间的能量相互作用。自组装系统通常形成对称的点，线或平面。这种自然趋向于对称结构一直是自组装系统在从液晶显示器到频率调制器再到光开关的应用中的祸根。在本期杂志的第137页上，Stadler及其同事演示了一种生产自组装形成非中心对称分层纳米结构材料的新颖方法。

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《Nature》 |1999年第6723期|p.107-108|共2页
作者
Samuel P. Gido;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种 eng
中图分类自然科学总论;
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Asymmetry the easy way

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