CoCrPtTa 薄膜媒体の面内磁気異方性と微細構造

概要

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A Co-alloy thin-film medium formed on a NiP textured substrate, has amacroscopic in-plane magnetic anisotropy in the circumference direction. In this study, the mechanism of in-plane magnetic anisotropy induced by CoCrPtTa-type thin-film media was investigated in the light of crystallography, with following results:(1)with an increase in the number of magnetic crystal grains whose magnetization easy axis was in the circumferential direction, the in-plane magnetic anisotropy increased relative to that in the radial direction. (2)the in-plane magnetic anisotropy was correlated with the change in the crystal structure of the Cr underlayer. when the Cr (110) interplanar spacing becomes smaller, the correlation becomes higher.
社団法人日本磁気学会の論文
2000-04-15