AlPdMn近似体中位错的平铺模型
Tiling models for metadislocations in AlPdMn approximants
摘要：
AlPdMn准晶1.6nm十边形相的近似体xi，xi '，xi'_n和1.2nm十边形相的近似体R，T，T_n可以看作二维点阵上的簇柱排列。我们用彭罗斯菱形代替瓦片，并表明，替代瓦片可以通过一个简单的切割和投影形式主义在三维超空间中构造。由此可见，在近似有一个相位自由度，其激励的结果在重组的集群。我们将镶嵌模型应用于变位错，这是部分位错的特殊结构。
英文摘要：
The AlPdMn quasicrystal approximants xi, xi', and xi'_n of the 1.6 nm decagonal phase and R, T, and T_n of the 1.2 nm decagonal phase can be viewed as arrangements of cluster columns on two-dimensional tilings. We substitute the tiles by Penrose rhombs and show, that alternative tilings can be constructed by a simple cut and projection formalism in three dimensional hyperspace. It follows that in the approximants there is a phasonic degree of freedom, whose excitation results in the reshuffling of the clusters. We apply the tiling model for metadislocations, which are special textures of partial dislocations.
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