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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2003.9
- 수록면
- 108 - 112 (5page)
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초록· 키워드
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We report the experimental finding that there exists a transition of magnetization reversal process with varying the applied field in Co/Pd multilayer. We have measured the wall-motion speed V and the nucleation rate R during magnetization reversal via time-resolved direct domain observation, where the magnetization reversal process of Co/Pd multilayer is found to take a transition from thermal activation process to viscous process at the critical field of about 1.87 H_C (coercivity). In the thermal activation regime, we find that the field dependences of two activation volumes for the wall-motion process and the nucleation process are different with each other, which reveals that the wall-motion and nucleation experience completely different interactions. In the viscous regime, we find that the wall-mobility is much smaller than a typical value for the sandwiched Co films, which implies that the Co/Pd interfaces in multilayer substantially contribute to the dynamic dissipation.
목차
Abstract
1. Introduction
2. Experiment
3. Result and Discussion
4. Summary
References
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이 논문의 저자 정보
이 논문과 함께 이용한 논문
Activation Volumes of Wall - Motion and Nucleation Processes in Co / Pd Multilayers
Sug-Bong Choe
,
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Journal of Magnetics
2000
.06
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.12
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UCI(KEPA) : I410-ECN-0101-2009-428-015148824