CORRELATIONS OF MAGNETIC MICROSTRUCTURE AND ANISOTROPY WITH NOISE SPECTRA FOR CONI AND COCRTA THIN-FILM MEDIA

被引:25
|
作者
KHAN, MR [1 ]
LEE, SY [1 ]
PRESSESKY, JL [1 ]
WILLIAMS, D [1 ]
DUAN, SL [1 ]
FISHER, RD [1 ]
HEIMAN, N [1 ]
SCHEINFEIN, MR [1 ]
UNGURIS, J [1 ]
PIERCE, DT [1 ]
CELOTTA, RJ [1 ]
SPELIOTIS, DE [1 ]
机构
[1] ADV DEV CORP,BURLINGTON,MA 01803
关键词
D O I
10.1109/20.104848
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper reports on two thin film media alloys Co86Cr12Ta2 and Co75Ni25 which have very different noise characteristics. The magnetic microstructure of these films was observed with SEMPA. The anisotropy and the rotational hysteresis loss measurements have been made using a torque magnetometer, The distribution of anisotropy field Hk and its width dHk have also been measured, along with its different normalized values. We suggest that the observed magnetic microstructure can be directly correlated with measured readback noise and anisotropy differences. © 1990 IEEE
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收藏
页码:2715 / 2717
页数:3
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