A study on the magnetic switching behaviour of nanostructured magnetic materials

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 st...

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Published in:Scripta materialia 2003-04, Vol.48 (7), p.967-973
Main Authors: Zweck, Josef, Bräundl, Silvia, Henzelmann, Sonia, Schneider, Markus, Otto, Stephan, Heumann, Martin, Uhlig, Thomas
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures)
Lorentz microscopy
Magnetic domain
Magnetic properties and materials
Magnetic properties of surface, thin films and multilayers
Magnetic structure
Multilayer thin films
Nanostructured materials
Physics
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cited_by cdi_FETCH-LOGICAL-c368t-d6d2096cf42743c80b08955e360a9ebdaecd134917c8cb0ce9a35f8a1e35ebf93
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container_issue 7
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container_title Scripta materialia
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creator Zweck, Josef
Bräundl, Silvia
Henzelmann, Sonia
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Heumann, Martin
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description 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.
doi_str_mv 10.1016/S1359-6462(02)00613-9
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subjects Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures)
Lorentz microscopy
Magnetic domain
Magnetic properties and materials
Magnetic properties of surface, thin films and multilayers
Magnetic structure
Multilayer thin films
Nanostructured materials
Physics
title A study on the magnetic switching behaviour of nanostructured magnetic materials
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