DOMAIN FORMATION AND ERASURE IN CO/PT MULTILAYER RECORDING THIN-FILMS

被引:3
|
作者
XUE, T
SCHULTZ, MD
KRYDER, MH
机构
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1992年 / 31卷 / 2B期
关键词
DOMAIN DYNAMICS; MULTILAYERS CO/PT; MAGNETOOPTICAL RECORDING THIN FILMS;
D O I
10.1143/JJAP.31.439
中图分类号
O59 [应用物理学];
学科分类号
摘要
The domain dynamics in Co/Pt multilayers were experimentally investigated with a 10 ns exposure time magneto-optic microscope system. The images obtained reveal that during domain formation a ring shaped magnetization structure is temporarily created which is often larger than the final domain size. The width and intensity of this ring varies with applied field. This is believed to be due to a wide region of in-plane magnetization which occurs where the film temperature is only slightly below the Curie temperature. Observations of erasure show that erasure occurs in less than 50 ns, but requires a large reversed field to be successful.
引用
收藏
页码:439 / 441
页数:3
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