Micromagnetic simulation of a flux guide for a read head with sub-100 nm resolution

Micromagnetic simulation of a flux guide for a read head with sub-100 nm resolution

Large scale 3D micromagnetic simulations are performed on single pole read heads with pole tip cross sections of 45×45 and 100×200 nm. It is shown that tips with these dimensions have a much higher output than predicted by an analytical theory using the reciprocity theorem. The larger of these tips...

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Veröffentlicht in:Journal of applied physics 2000-05, Vol.87 (9), p.5538-5540
Hauptverfasser: Abelmann, Leon, Zhu, Jian-Gang, Bain, James A., Ramstöck, Klaus, Lodder, Cock
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container_end_page 5540
container_issue 9
container_start_page 5538
container_title Journal of applied physics
container_volume 87
creator Abelmann, Leon
Zhu, Jian-Gang
Bain, James A.
Ramstöck, Klaus
Lodder, Cock
description Large scale 3D micromagnetic simulations are performed on single pole read heads with pole tip cross sections of 45×45 and 100×200 nm. It is shown that tips with these dimensions have a much higher output than predicted by an analytical theory using the reciprocity theorem. The larger of these tips still behaves in a relatively soft manner and has an output waveform shape very close to the one predicted by the analytical model. The response of the small tip however is hysteretic.
doi_str_mv 10.1063/1.373397
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title Micromagnetic simulation of a flux guide for a read head with sub-100 nm resolution
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