Magnetic patterning of exchange-coupled multilayers

Magnetic patterning of exchange-coupled multilayers

The local modification of antiferromagnetic (AF) interlayer exchange coupling by focused ion-beam irradiation has been studied experimentally in the epitaxial Fe/Cr/Fe(001) trilayer systems. Square ferromagnetic (FM) areas of 200×200 μm2 were created in the initially AF trilayer by ion irradiation w...

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Veröffentlicht in:Applied physics letters 2004-04, Vol.84 (15), p.2853-2855
Hauptverfasser: Demidov, Vladislav E., Kholin, Dmitry I., Demokritov, Sergej O., Hillebrands, Burkard, Wegelin, Frederik, Marien, Jan
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container_end_page 2855
container_issue 15
container_start_page 2853
container_title Applied physics letters
container_volume 84
creator Demidov, Vladislav E.
Kholin, Dmitry I.
Demokritov, Sergej O.
Hillebrands, Burkard
Wegelin, Frederik
Marien, Jan
description The local modification of antiferromagnetic (AF) interlayer exchange coupling by focused ion-beam irradiation has been studied experimentally in the epitaxial Fe/Cr/Fe(001) trilayer systems. Square ferromagnetic (FM) areas of 200×200 μm2 were created in the initially AF trilayer by ion irradiation with a fluence of 1015 ions/cm2. It was found, that in the range of the external magnetic field of about ±200 Oe, the change of magnetic properties at the boundaries separating FM and AF areas occurs within distances of less than 200 nm. This fact allows the use of the technique for magnetic patterning of antiferromagnetically coupled trilayers on the submicrometer scale.
doi_str_mv 10.1063/1.1699475
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title Magnetic patterning of exchange-coupled multilayers
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