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Soft magnetic properties and structure of high B/sub s/ Fe-Co-Al-O films | IEEE Conference Publication | IEEE Xplore

Soft magnetic properties and structure of high B/sub s/ Fe-Co-Al-O films


Abstract:

Fe-Co based films have been investigated for writing head core materials with a high B/sub s/ in recent years. We have reported that the combination of a small amount of ...Show More

Abstract:

Fe-Co based films have been investigated for writing head core materials with a high B/sub s/ in recent years. We have reported that the combination of a small amount of Al/sub 2/O/sub 3/ addition and a soft magnetic underlayer film is important to obtain small H/sub ch/ with high B/sub s/ of 2.4 T in a wide range of film thickness for Fe-Co films. The mechanism of soft magnetic properties by using the Al/sub 2/O/sub 3/ addition and/or the soft magnetic underlayer film is studied. We confirm that the soft magnetic properties of Fe-Co system films are related to the expansion of the lattice constant and random crystal orientation.
Date of Conference: 06-08 January 2003
Date Added to IEEE Xplore: 19 February 2004
Print ISBN:0-7803-7746-X
Conference Location: Monterey, CA, USA

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