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首页> 外文期刊>Acta Crystallographica, Section B. Structural science, crystal engineering and materials >The structure of nano-twinned rhombohedral YCuO_(2.66) solved by electron crystallography
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The structure of nano-twinned rhombohedral YCuO_(2.66) solved by electron crystallography

机译：通过电子晶体学求解的纳米孪晶菱面膜YCUO_（2.66）的结构

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摘要

In the search for frustrated spin interactions, a YCuO_(2.66) phase has been synthesized by a treatment under oxygen pressure of YCuO_(2.5). X-ray powder diffraction and electron diffraction studies have been conducted. Electron diffraction shows that the sample is twinned on a 10 nm scale. Precession electron diffraction data obtained from a twinned crystal was treated in order to obtain intensities corresponding to only one of the orientations of the twins. From this data a structure solution was obtained where, as in YCuO_(2.5), the Cu atoms form triangular planes. The Cu atoms are linked in two dimensions by oxygen atoms in the present structure whereas in YCuO_(2.5) they are only linked in one-dimensional chains.
机译：在寻求沮丧的自旋相互作用中，通过YCuO_（2.5）的氧气压力下的处理合成了YCuo_（2.66）相。 已经进行了X射线粉末衍射和电子衍射研究。 电子衍射表明样品在10nm刻度上孪生。 处理从孪晶晶体获得的电子衍射数据以获得对应于双胞胎的一个取向的强度。 从该数据，获得结构溶液，其中如YCuo_（2.5），Cu原子形成三角形平面。 Cu原子通过本结构中的氧原子以两维连接，而在Ycuo_（2.5）中，它们仅在一维链中连接。

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