期刊
PHYSICAL REVIEW B
卷 83, 期 17, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.83.174444
关键词
-
资金
- Spanish government [MAT2008-04706/NAN]
- Junta de Castilla y Leon [SA025A08]
The dynamics of a pinned domain wall in a thin ferromagnetic strip with high perpendicular magnetocrystalline anisotropy was examined by means of micromagnetic simulations. A preliminary analysis was carried out to describe both the cross-section dependence of the equilibrium states and the field-driven motion of a domain wall along perfect strips. Next, localized domain wall oscillations under application of direct currents in a strip with a notch were studied. This dynamical regime, and both the direct and the alternating contributions to the voltage signal induced by the pinned domain wall oscillations, were micromagnetically analyzed. Finally, a strip with several pinned domain walls was considered. Our analysis reveals that the direct contribution to the voltage signal can be linearly enhanced with the number of walls, an observation which could be useful to develop domain-wall-based nano-oscillators.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据