Preparation of double-layered perpendicular media for fine magnetic structure

Preparation of double-layered perpendicular media for fine magnetic structure
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精细磁结构双层垂直介质的制备

DOI：
10.1109/20.908449
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发表时间：
2000
期刊：
--
影响因子：
--
通讯作者：
S. Iwasaki
S. Iwasaki
中科院分区：
--
文献类型：
--
作者：
J. Ariake;N. Honda;K. Ouchi;S. Iwasaki

文献摘要

被引文献

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为了获得低噪声的双层层状垂直记录介质，研究了两种溅射沉积的制备方法。发现记录层和软磁背层之间的非常薄的中间层可以降低介质噪声。向NiFe系统底层添加氮气也可以有效降低噪音。在两种情况下，介质噪声降低归因于记录层的晶粒尺寸和磁畴尺寸的减小。对于具有Co-Zr-Nb中间层的介质，观察到对应于超过50 Gbit/in/sup 2/的密度的MFM图像。
Two preparation methods for sputter deposition are examined in order to obtain a low noise double-layered layered perpendicular recording medium. Very thin intermediate layers between the recording layer and the soft magnetic backlayer was found to reduce the medium noise. Nitrogen addition to the NiFe system backlayer was also effective in reducing the noise. The medium noise reduction was attributed to the reduction in grain size and a magnetic domain size of the recording layer in both cases. An MFM image corresponding to a density beyond 50 Gbit/in/sup 2/ was observed for a medium with Co-Zr-Nb intermediate layer.