Magnetization behavior of hard/soft-magnetic composite pillar
Magnetization behavior of hard/soft-magnetic composite pillar
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DOI：
10.1016/j.jmmm.2008.08.021
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发表时间：
2008-11
影响因子：
2.7
通讯作者：
Terumitsu Tanaka;J. Matsuzaki;H. Kurisu;S. Yamamoto
中科院分区：
文献类型：
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作者：
Terumitsu Tanaka;J. Matsuzaki;H. Kurisu;S. Yamamoto
提出了一种用于超高密度记录介质的硬/软磁复合柱阵列介质。利用Landau-Lifshitz-吉尔伯特方程计算了介质中单个硬/软磁复合柱的磁化反转过程。软磁单元的磁化反转有助于硬磁单元的磁化反转，并且硬磁单元的有效磁化率大大降低。从而可以实现对用于垂直磁记录的高Ku硬磁材料的饱和记录。
Hard/soft-magnetic composite pillar array medium is proposed for ultra-high-density recording media. Magnetization reversal process for a single hard/soft-magnetic composite pillar in the medium is calculated using the Landau–Lifshitz–Gilbert equation. Magnetization reversal of the soft-magnetic unit helps the magnetization reversal for the hard-magnetic unit, and the effective coercivity for the hard-magnetic unit is greatly reduced. Thereby saturation recording to the high-Ku-hard-magnetic material used for perpendicular magnetic recording will be realizable.