A study on the magnetic switching behaviour of nanostructured magnetic materials

被引：1

作者：

Zweck, J ^{[1
]}

Bräundl, S ^{[1
]}

Henzelmann, S ^{[1
]}

Schneider, M ^{[1
]}

Otto, S ^{[1
]}

Heumann, M ^{[1
]}

Uhlig, T ^{[1
]}

机构：

[1] Univ Regensburg 31, Inst Expt & Angew Phys, D-93040 Regensburg, Germany

来源：

SCRIPTA MATERIALIA | 2003年 / 48卷 / 07期

关键词：

Lorentz microscopy; multilayer thin films; magnetic domain; magnetic structure; nanostructured materials;

D O I：

10.1016/S1359-6462(02)00613-9

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The micromagnetic behaviour of nanostructured multilayered magnetic materials, i.e. magnetic materials which have been structured into various shapes by electron beam lithography, are investigated. The typical lateral dimension is in the range of 200-800 nm. Lorentz electron microscopy is used to study the magnetic configurations, which arise under various external magnetic fields used to switch the particle's magnetization from one (uniaxial) easy direction to the other. We show that it is possible to derive hysteresis loops of individual particles, and to distinguish between different geometrical shapes, using an image evaluation technique. Further, experiments have been carried out with pulsed magnetic fields to investigate the stability of the micromagnetic structure. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.

引用

页码：967 / 973

页数：7

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