DataVXphysica status solidi (RRL) – Rapid Research LettersPaper
journal article·2009-07

Exchange‐coupled L10‐FePt/Fe composite patterns with perpendicular magnetization

A. Breitling, T. Bublat, D. Goll

physica status solidi (RRL) – Rapid Research Letters· Volume 3· Issue 5
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Source abstract

Abstract

Abstract L10‐FePt and exchange‐coupled L10‐FePt/Fe composite films are grown epitaxially on MgO(001) single crystal substrates and are subsequently large‐area patterned utilizing an electron beam lithography process with Ar+ ion etching. The patterning process of the continuous film system leads to a different demagnetization behavior resulting in an increase of the out‐of‐plane coercivity of the patterned samples. Due to exchange‐coupling between L10‐FePt and Fe the coercivity of the L10‐FePt/Fe composite patterns is reduced by 52% as compared to the coercivity of L10‐FePt patterns. From the analysis of the temperature dependence of the coercivity it follows that the dots include regions with reduced anisotropy. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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Research context

Composites

OpenAlex topics: Magnetic properties of thin films · Magnetic Properties of Alloys · Magnetic Properties and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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