Crystal growth of YcuO_2 delafossite containing triangular Cu planes

K. Isawa; M. Nagano; K. Yamada

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Crystal growth of YcuO_2 delafossite containing triangular Cu planes

机译：含三角形Cu平面的YcuO_2铜铁矿的晶体生长

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Crystal growth of YcuO_2 delafossite was studied by a traveling solvent floating zone method. The crystals were grown at the traveling speed of less than 0.2 mm/h in flowing N_2+18～21/100O_2 gas mixture to prevent the formation of Y_2Cu_2O_5 phase and/or decomposition into Y_2O_3 and Cu metal. X-ray diffraction patterns from the powdered single- crystal samples indicated that the 2H-polytypes were grown. After post-annealing the as-grown specimens, delafossite- derived oxides (YcuO_2+δ), in which excess oxygen atoms were likely loaded in the triangular Cu planes, were also obtained.

机译：通过移动溶剂浮区法研究了YcuO_2铜铁矿的晶体生长。在流动的N_2 + 18〜21 / 100O_2气体混合物中，晶体以小于0.2 mm / h的行进速度生长，以防止形成Y_2Cu_2O_5相和/或分解为Y_2O_3和Cu金属。粉末状单晶样品的X射线衍射图谱表明2H多型已生长。在对已生长的样品进行后退火之后，还获得了由铜铁矿衍生的氧化物（YcuO_2 +δ），其中过量的氧原子可能负载在三角形Cu平面中。

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来源
《Journal of Crystal Growth》 |2002年第2002期|p.783-786|共4页
作者
K. Isawa; M. Nagano; K. Yamada;
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作者单位

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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);
原文格式 PDF
正文语种 eng
中图分类晶体学;
关键词
A1. Crystal morphology; A1. Low dimensional structures; A2. Single crystal growth; A2. Traveling solvent zone growth;

机译：A1。晶体形态A1。低尺寸结构;A2。单晶生长;A2。旅行溶剂区的增长;

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2. InCuO2.5 and ScCuO2.5: new oxidized copper delafossites with triangular lattices of Cu2+ cations [J] . Garlea O, Bordet P, Darie C, Journal of Physics. Condensed Matter . 2004,第11期

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Crystal growth of YcuO_2 delafossite containing triangular Cu planes

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