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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2006.6
- 수록면
- 61 - 65 (5page)
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초록· 키워드
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The physical origin of complex dynamic domain configuration in nonequilibrium magnetic systems with mesoscopic length scales has been studied. An increasing complexity in the spatial feature of the evolution is found to accompany the increasing reversal speed, when a ferromagnetic element is driven by progressively faster switching fields applied antiparallel to the initial magnetization direction. As reversal rates approach the characteristic precession frequencies of spin fluctuations, the thermal energy can boost the magnetization into local configurations which are completely different from those experienced during quasistatic reversal. The sensitive dependence of the spatial pattern on switching speed can be understood in terms of a dynamic exchange interaction of thermally excited spins; the coherent modulation of the spins is strongly dependent on the rise time of switching pulses.
목차
영어 초록
1. Introduction
2. Experiments
3. Results and Discussion
4. Conclusion
Acknowledgements
References
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