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
收藏
页码：230 / 234
页数：5
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