COMPARISON OF MAGNETIC-ANISOTROPY AND MAGNETIZATION REVERSAL IN PERPENDICULAR RECORDING MEDIA

被引：8

作者：

LAIRSON, BM ^{[1
]}

LIU, W ^{[1
]}

PAYNE, AP ^{[1
]}

BALDWIN, C ^{[1
]}

HAMILTON, H ^{[1
]}

机构：

[1] CENSTOR CORP,SAN JOSE,CA 95126

来源：

JOURNAL OF APPLIED PHYSICS | 1995年 / 77卷 / 12期

关键词：

D O I：

10.1063/1.359080

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Comparisons of magnetic anisotropy and switching behavior of CoCr-based alloy and Co/Pd multilayer media were made using a vector vibrating sample magnetometer. Magnetic anisotropy energy was determined from angle-dependent measurements of the transverse magnetization, using a simple approximate expression for transverse moment versus applied field and rotation angle. Switching behavior was deduced from hysteresis and angle-dependent energy-loss measurements. The multilayers were found to switch by curling and domain wall motion, while the Co78Cr17Ta5 and Co 70Cr15Ta5Pt10 media were found to switch by nearly coherent (Stoner-Wohlfarth) rotation. Plasma oxidation of the multilayers was found to slightly reduce the amount of coupling, but degraded readback amplitude to a contact recording transducer. © 1995 American Institute of Physics.

引用

页码：6675 / 6680

页数：6

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