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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2010.12
- 수록면
- 169 - 172 (4page)
이용수
초록· 키워드
오류제보하기
The coercivity mechanism in permanent magnets was analyzed according to the effects of domain nucleation and domain wall pinning. The coercivity mechanism of a TbCo thin film with high perpendicular magnetic anisotropy was considered in terms of the local inhomogeneity in the thin film. The initial magnetization curves of the TbCo thin films demonstrated domain wall pinning to be the main contributor to the coercivity mechanism than domain nucleation. Based on the coercivity model proposed by Kronmuller et al., the inhomogeneity size acting as a domain wall pinning site was determined. Using the measured values of perpendicular anisotropy constant (K<SUB>u</SUB>), saturation magnetization (M<SUB>s</SUB>), and coercivity (H<SUB>c</SUB>), the inhomogeneity size estimated in a TbCo thin film with high coercivity was approximately 9 ㎚.
목차
1. Introduction
2. Experiments
3. Results and Discussion
4. Conclusion
Acknowledgements
References
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UCI(KEPA) : I410-ECN-0101-2012-428-003805284