L10 ordered FePt based double-layered perpendicular recording media with (002) oriented FeCo films as a soft magnetic underlayer
Hu, J.F. Chen, J.S. Lim, B.C. Zhou, T.J.
Hu, J.F.
Lim, B.C.
Zhou, T.J.
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Abstract
The introduction of the soft magnetic underlayer (SUL) in perpendicular recording technology is to further increase the recording areal density. However, problems such as growth of the uncontrollable recording layer and additional media noise contributed from the SUL could be resulted. In this work, a synthetic antiferromagnetically (SAF) coupled (002) oriented Fe65Co35 film as an SUL was developed for L10 ordered FePt based double-layered recording media. The crystallography of hetero-epitaxially grown double-layered media CrRu/(Ru/FeCo)2/Pt/FePt/Ru was demonstrated. The L10 ordered FePt based double-layered perpendicular recording media with SAF coupled FeCo films as the SUL were developed. © 2007 Elsevier B.V. All rights reserved.
Keywords
FeCo, FePt, Perpendicular media, Soft magnetic underlayer
Source Title
Thin Solid Films
Publisher
Series/Report No.
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Date
2008-02-29
DOI
10.1016/j.tsf.2007.09.028
Type
Article