| Temperature dependence of Cu20 orientations in the oxidation of Cu （111）/ZnO （0001） by oxygen plasma |
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| 引用本文： | 李俊强,梅增霞,叶大千,侯尧楠,刘尧平,A. Yu. Kuznetsov,杜小龙.Temperature dependence of Cu20 orientations in the oxidation of Cu （111）/ZnO （0001） by oxygen plasma[J].中国物理 B,2012(7):422-430. |
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| 作者姓名： | 李俊强 梅增霞 叶大千 侯尧楠 刘尧平 A. Yu. Kuznetsov 杜小龙 |
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| 作者单位： | [1]Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, Chins [2]Department of Physics, University of Oslo, P.O. Box 1048 Blindern, N0-0316 Oslo, Norway |
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| 基金项目： | Project supported by the Ministry of Science and Technology of China （Grant Nos. 2011CB302002, 2009CB929400, and 2009AA033101）, the National Natural Science Foundation of China （Grant Nos. 11174348 and 61076007）, the Chinese Academy of Sciences, and the National Synchrotron Radiation Laboratory in the University of Science and Technology of China. |
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| 摘 要： | The role of temperature on the oxidation dynamics of Cu20 on ZnO （0001） was investigated during the oxidation of Cu （111）/ZnO （0001） by using oxygen plasma as the oxidant. A transition from single crystalline Cu20 （111） orientation to micro-zone phase separation with multiple orientations was revealed when the oxidation temperature increased above 300 ~ C. The experimental results clearly show the effect of the oxidation temperature with the assistance of oxygen plasma on changing the morphology of Cu （111） film and enhancing the lateral nucleation and migration abilities of cuprous oxides. A vertical top-down oxidation mode and a lateral migration model were proposed to explain the different nucleation and growth dynamics of the temperature-dependent oxidation process in the oxidation of Cu （lll）/ZnO （0001）.
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| 关 键 词： | 温度依赖性 氧等离子体 氧化锌 氧化铜 氧化动力学 取向 氧化温度 迁移能力 |
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