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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2000.12
- 수록면
- 116 - 119 (4page)
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초록· 키워드
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Magnetic field dependence of magnetization reversal in Co/Pt multilayers was quantitatively investigated. Serial samples of Co/Pt multilayers were prepared by dc-magnetron sputtering under various Ar pressures. Magnetization reversal was monitored by magnetization viscosity measurement and direct domain observation using a magneto-optical microscope system, and the wall-motion speed V and the nucleation rate R were determined using a domain reversal model based on time-resolved domain reversal patterns. Both V and R were found to be exponentially dependent on the applied reversing field. From the exponential dependencies, the activation volumes for wall motion and nucleation could be determined, based on a thermally activated relaxation model, and the wall-motion activation volume was found to be slightly larger than the nucleation activation volume.
목차
Abstract
1. Introduction
2. Experiments
3. Results and Discussion
4. Conclusions
Acknowledgments
References
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