Electrical Measurement of Spin-Wave Interactions of Proximate Spin Transfer Nanooscillators

M. R. Pufall; W. H. Rippard; S. E. Russek; S. Kaka; J. A. Katine

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Electrical Measurement of Spin-Wave Interactions of Proximate Spin Transfer Nanooscillators

机译：接近自旋转移纳米振荡器的自旋波相互作用的电学测量

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We have investigated the interaction mechanism between two nanocontact spin transfer oscillators made on the same magnetic spin valve multilayer. The oscillators phase lock when their precession frequencies are made similar, and a giant magnetoresistance signal is detectable at one contact due to precession at the other. Cutting the magnetic mesa between the contacts with a focused-ion beam modifies the contact outputs, eliminates the phase locking, and strongly attenuates the magnetoresistance coupling, which indicates that spin waves rather than magnetic fields are the primary interaction mechanism.

机译：我们研究了在同一磁性自旋阀多层板上制造的两个纳米接触自旋转移振荡器之间的相互作用机理。当使进动频率相似时，振荡器将锁相，并且由于另一接触进动而在一个触点上可检测到巨大的磁阻信号。用聚焦离子束在触点之间切割磁台面会修改触点输出，消除锁相，并极大地削弱磁阻耦合，这表明自旋波而不是磁场是主要的相互作用机制。

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来源
《Physical review letters》 |2006年第8期|p.087206.1-087206.4|共4页
作者
M. R. Pufall; W. H. Rippard; S. E. Russek; S. Kaka; J. A. Katine;
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作者单位

Electromagnetics Division, National Institute of Standards and Technology, Boulder, Colorado 80305, USA;

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原文格式 PDF
正文语种 eng
中图分类物理学;
关键词
magnetoelectronics; spintronics: devices exploiting spin polarized transport or integrated magnetic fields; synchronization; coupled oscillators; magnetic properties of nanostructures;

机译：磁电子学;自旋电子学：利用自旋极化传输或集成磁场的设备;同步;耦合的振荡器;纳米结构的磁性;

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Electrical Measurement of Spin-Wave Interactions of Proximate Spin Transfer Nanooscillators

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