Current-driven vortex oscillations in metallic nanocontacts

Current-driven vortex oscillations in metallic nanocontacts
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DOI:
10.1103/physrevlett.100.257201
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发表时间:
2008-06-27
影响因子:
8.6
通讯作者:
Schrefl, T.
Schrefl, T.
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Mistral, Q.;van Kampen, M.;Schrefl, T.

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我们提出了实验证据的亚千兆赫自旋转移振荡的金属纳米接触,是由于磁涡旋的平移运动。涡流被示出执行大振幅的轨道运动的接触区域之外。良好的协议与分析理论和微磁学模拟。
We present experimental evidence of subgigahertz spin-transfer oscillations in metallic nanocontacts that are due to the translational motion of a magnetic vortex. The vortex is shown to execute large-amplitude orbital motion outside the contact region. Good agreement with analytical theory and micromagnetics simulations is found.