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Effect of damping on the time variation of fields produced by a small pole tip with a soft under layer

Gao, K.Z., Chantrell, R.W. and Boerner, E.D. (2004) Effect of damping on the time variation of fields produced by a small pole tip with a soft under layer. IEEE Transactions on Magnetics. pp. 2371-2373. ISSN 1941-0069

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The time variation of magnetostatic fields generated by space and time varying magnetization configurations in small perpendicular pole tips is studied. The magnetization configurations are a response to external fields driving the pole tip and soft under layer (SUL). When the system damping is sufficiently small the magnetization excitations persist for a long time after reversal. The effects of damping parameter, position in the media, and discretization cell size on the magnitude of the time varying magnetostatic fields will be given. Decreasing the damping parameter increases the magnitude of the magnetostatic field variation.

Item Type: Article
Copyright, Publisher and Additional Information: © 2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: damping parameter,head field,micromagnetic,perpendicular recording
Institution: The University of York
Academic Units: The University of York > Physics (York)
Depositing User: Repository Officer
Date Deposited: 18 Dec 2006
Last Modified: 09 May 2016 20:57
Published Version: http://dx.doi.org/10.1109/TMAG.2004.832238
Status: Published
Refereed: Yes
URI: http://eprints.whiterose.ac.uk/id/eprint/1837

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