Media magnetization calculation using three-dimensional finite element method in perpendicular magnetic recording

W. X. Xia; T. Yamada; K. Tani; J. Numazawa; H. Muraoka; H. Aoi; Y. Nakamura

doi:10.1063/1.1853273

Media magnetization calculation using three-dimensional finite element method in perpendicular magnetic recording

W. X. Xia, T. Yamada, K. Tani, J. Numazawa, H. Muraoka, H. Aoi, Y. Nakamura

Broadband Engineering Division

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The magnetic medium was included into the finite element method to analyze the recording mechanism of perpendicular magnetic recording. Interactions between the head and medium were accurately considered. The effects of media properties such as the anisotropy field dispersion, the easy axis distribution, and exchange coupling strength on the recording resolution were investigated using the developed program. It was found that reducing the dispersion of anisotropy fields was the most effective way to decrease both the transition width and track width.

Original language	English
Article number	10N514
Journal	Journal of Applied Physics
Volume	97
Issue number	10
DOIs	https://doi.org/10.1063/1.1853273
Publication status	Published - 2005 May 15

ASJC Scopus subject areas

Physics and Astronomy(all)

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AU - Xia, W. X.

AU - Yamada, T.

AU - Tani, K.

AU - Numazawa, J.

AU - Muraoka, H.

AU - Aoi, H.

AU - Nakamura, Y.

PY - 2005/5/15

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N2 - The magnetic medium was included into the finite element method to analyze the recording mechanism of perpendicular magnetic recording. Interactions between the head and medium were accurately considered. The effects of media properties such as the anisotropy field dispersion, the easy axis distribution, and exchange coupling strength on the recording resolution were investigated using the developed program. It was found that reducing the dispersion of anisotropy fields was the most effective way to decrease both the transition width and track width.

AB - The magnetic medium was included into the finite element method to analyze the recording mechanism of perpendicular magnetic recording. Interactions between the head and medium were accurately considered. The effects of media properties such as the anisotropy field dispersion, the easy axis distribution, and exchange coupling strength on the recording resolution were investigated using the developed program. It was found that reducing the dispersion of anisotropy fields was the most effective way to decrease both the transition width and track width.

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Media magnetization calculation using three-dimensional finite element method in perpendicular magnetic recording

Abstract

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