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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2000.9
- 수록면
- 90 - 98 (9page)
이용수
초록· 키워드
오류제보하기
The change in the magnetic properties of a spin-valve multilayer with the structure IrMn (9 ㎚)/CoFe (4 ㎚)/Cu (2.6 ㎚)/CoFe (2 ㎚)/NiFe (6 ㎚) is investigated as a function of the size and the aspect ratio. At a fixed aspect ratio (the length/width ratio) of 2, the magnetostatic interactions begin to affect the magnetic properties substantially at a spin-valve length of 5 ㎛, and, at a length of 1 ㎛, they become even more dominant. In the case of a fixed multilayer size (2.4 ㎛) which is indicated by the sum of the length and the width, magnetization change occurs by continuous spin-reversal and M-H loops are characterized by no or very small hysteresis at aspect ratios smaller than unity. At aspect ratios greater than unity, magnetization change occurs by spin-flip resulting in squared hysteresis loops. A very large changes in the coercivity and the bias field is observed, and these results are explained by two separate contributions to the total magnetostatic interactions: the coercivity by the self-demagnetizing field and the bias field by the interlayer magnetostatic interaction field.
목차
Abstract
1. Introduction
2. Model and Computation
3. Results and Discussion
4. Conclusions
Acknowledgments
References
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