EFFECT OF ANNEALING ON INTERFACE STRUCTURE AND GIANT MAGNETORESISTANCE OSCILLATION IN CO/CU MULTILAYERS

被引:5
作者
NAWATE, M
INAGE, K
IMADA, R
ITOGAWA, M
HONDA, S
机构
[1] Hiroshima University, Higashi-Hiroshima
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1995年 / 34卷 / 6A期
关键词
GIANT MAGNETORESISTANCE; GMR OSCILLATION; CO/CU MULTILAYER; VACUUM ANNEALING; INTERFACE STRUCTURE; X-RAY DIFFRACTION; INTERLAYER COUPLING;
D O I
10.1143/JJAP.34.3082
中图分类号
O59 [应用物理学];
学科分类号
摘要
The effect of annealing on the oscillatory behavior of giant magnetoresistance (GMR) is studied in Co/Cu multilayers. Annealing at 200 degrees C in vacuum reduces the height of the Ist peak of GMR oscillation significantly. However, the degradation of interface measured by X-ray diffraction is not large compared with the change in GMR. Microscopic change of the interface state causes ferromagnetic interlayer coupling between adjacent Co layers and diminishes the Ist GMR peak. The 2nd GMR peak, on the other hand, is not so sensitive to the degradation of the interface.
引用
收藏
页码:3082 / 3087
页数:6
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