400-fold reduction in saturation field by interlayering

W. F. Egelhoff; J. Bonevich; P. Pong; C. R. Beauchamp; G. R. Stafford; J. Unguris; R. D. Mcmichael

doi:10.1063/1.3058673

400-fold reduction in saturation field by interlayering

W. F. Egelhoff, J. Bonevich, P. Pong, C. R. Beauchamp, G. R. Stafford, J. Unguris, R. D. Mcmichael

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12 Scopus citations

Abstract

The buildup of stress with increasing thickness of magnetic thin films is a common phenomenon that often induces undesirable anisotropies that can convert an otherwise magnetically soft film into a magnetically hard one. We found that by interlayering such a magnetic thin film with films that are either not lattice matched or have a different crystal structure, reductions in the saturation field as large as 400-fold can be achieved. Differences in grain size appear to be responsible.

Original language	English (US)
Article number	013921
Journal	Journal of Applied Physics
Volume	105
Issue number	1
DOIs	https://doi.org/10.1063/1.3058673
State	Published - 2009
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1063/1.3058673

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AU - Egelhoff, W. F.

AU - Bonevich, J.

AU - Pong, P.

AU - Beauchamp, C. R.

AU - Stafford, G. R.

AU - Unguris, J.

AU - Mcmichael, R. D.

PY - 2009

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AB - The buildup of stress with increasing thickness of magnetic thin films is a common phenomenon that often induces undesirable anisotropies that can convert an otherwise magnetically soft film into a magnetically hard one. We found that by interlayering such a magnetic thin film with films that are either not lattice matched or have a different crystal structure, reductions in the saturation field as large as 400-fold can be achieved. Differences in grain size appear to be responsible.

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400-fold reduction in saturation field by interlayering

Abstract

All Science Journal Classification (ASJC) codes

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