Fabrication and magnetic properties of metallic nanowires via AAO templates

被引：66

作者：

Thongmee, S. ^{[1
]}

Pang, H. L. ^{[1
]}

Ding, J. ^{[1
]}

Lin, J. Y. ^{[2
,3
]}

机构：

[1] Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117576, Singapore

[2] Natl Univ Singapore, Dept Phys, Singapore 117560, Singapore

[3] Inst Chem & Engn Sci, Singapore 627833, Singapore

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2009年 / 321卷 / 18期

关键词：

Anodic aluminum oxide (AAO) template; Ni; CoFe and Cu nanowires; CO NANOWIRES; GROWTH; ARRAYS; NI;

D O I：

10.1016/j.jmmm.2009.03.074

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Metallic (Ni, Co, Cu and Fe) nanowires were fabricated by electrodeposition into anodic aluminum oxide (AAO) template. In this work, we have studied the effect of the electrode potential on the microstructure and magnetic properties of nanowires. Transmission electron microscopy (TEM) results showed that the metal nanowires were single-crystal. Cu and Ni nanowires had the same orientation along the[220] direction, while Co had a preferred orientation along the [100] direction. Fe nanowires had a preferred orientation along the [200] direction. The growth mechanisms are probably due to the competition growth of the adjacent grains and the confinement of growth in the nano-sized hole of the AAO template. Results showed that single crystal or highly textured nanowires had better magnetic properties compared with that of polycrystal nanowires in terms of coercivity and squareness. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：2712 / 2716

页数：5

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