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Cu/MgO界面位错的高分辨电子显微镜研究 被引量：1

STUDY OF INTERFACIAL DISLOCATION OF Cu/MgO BY HIGH-RESOLUTION ELECTRON MICROSCOPE
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摘要 用高分辨透射电子显微镜对内氧化产生的Cu/MgO界面进行了研究,观察到了取向关系相同的两种不同界面,并运用近重位点阵模型对其界面结构进行了研究,求出了失配位错的3个Burgers矢量和次级位错的3个Burgers矢量。 The high resolution images of Cu/MgO interface which was prepared by internal oxidation of Cu-Mg alloys were observed by Transmission Electron Microscopy (TEM), and observed two different interfaces while their orientation keeps unchanged. Their structures were determined to agree with the theory of near coincidence site lattices, and their Burgers vectors of misfit dislocation and secondary dislocation were calculated to be (b) over right arrow (1) = 1/4[011](MgO), (b) over right arrow (2) = 1/2[100]Cu, (b) over right arrow (3) = 1/4[011]MgO;(b) over right arrow1' = 1/12[101](Cu) (or 1/99 [755]MgO), (b) over right arrow (2)' [101](Cu) (or 1/99[755](MgO)), b(3)' = 1/6[010](Cu) (or 1/10[011]MgO) respectively.
作者 刘红荣 蔡灿英 杨奇斌 王岩国
机构地区 湘潭大学现代物理研究所 中国科学院物理研究所北京电子显微镜实验室
出处 《金属学报》 SCIE EI CAS CSCD 北大核心 2003年第3期234-236,共3页 Acta Metallurgica Sinica
基金 国家自然科学基金资助项目10074052和60271028
关键词 Cu/MgO界面 近重位点阵 失配位错 Cu/MgO interface near coincidence site lattice misfit dislocation
分类号 TG113.12 [金属学及工艺—物理冶金] TG115.21 [金属学及工艺—物理冶金]
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参考文献1

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共引文献75

同被引文献8

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引证文献1

金属学报
2003年 第3期

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