The effect of magnetic layer thickness on magnetic properties of Fe/Cu multilayer nanowires

被引：27

作者：

Almasi-Kashi, M. ^{[1
,2
]}

Ramazani, A. ^{[1
,2
]}

Kheyri, F. ^{[1
]}

Jafari-Khamse, E. ^{[1
]}

机构：

[1] Univ Kashan, Dept Phys, Kashan, Iran

[2] Univ Kashan, Inst Nanosci & Nanotechnol, Kashan, Iran

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2014年 / 144卷 / 03期

关键词：

Magnetic materials; Multilayers; Nanostructures; Magnetic properties; PERPENDICULAR GIANT MAGNETORESISTANCE; ARRAYS; FE; COERCIVITY; REVERSAL; ALUMINA;

D O I：

10.1016/j.matchemphys.2013.11.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fe/Cu multilayer nanowires were ac-pulse electrodeposited into the anodic aluminum oxide templates prepared by a two-step mild anodization technique. Transmission electron microscopy images showed the distinct layers with a relatively high contrast. A highly pure layer (similar to 99%) was achieved by tuning the proper ions ratio and optimizing the off-time between pulses of each layer in the single electrodeposition bath. Fe/Cu multilayer nanowires with 38 nm diameter were obtained. The effect of reducing the Fe layer thickness on the magnetic properties of Fe/Cu multilayer nanowires was investigated. It was seen that reducing the Fe layer thickness, thereby variation of rode- to disc-like multilayer nanowires, caused to rotate the magnetic easy axis from parallel to perpendicular to the wires axis. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：230 / 234

页数：5

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