Nanoscale spin wave valve and phase shifter
Nanoscale spin wave valve and phase shifter
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DOI：
10.1063/1.4705289
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发表时间：
2012-04-23
影响因子：
4
通讯作者：
Kruglyak, V. V.
中科院分区：
文献类型：
--
作者：
Au, Y.;Dvornik, M.;Kruglyak, V. V.
我们用微磁模拟演示了一种控制在磁导波导内传播的自旋波的振幅和相位的方法。该方法采用了在磁波导顶部形成的纳米磁铁。通过确定纳米磁体的静态磁化方向来控制该器件的功能。结果是自旋波的阀或移相器，在新兴的磁振学自旋波逻辑架构中充当计算或数据处理的信息载体。所提出的概念提供了诸如能源效率、非波动性和小型化等技术上的重要优势。(C) 2012年美国物理研究所。[http://dx.doi.org/10.1063/1.4705289]
We have used micromagnetic simulations to demonstrate a method for controlling the amplitude and phase of spin waves propagating inside a magnonic waveguide. The method employs a nanomagnet formed on top of a magnonic waveguide. The function of the proposed device is controlled by defining the static magnetization direction of the nanomagnet. The result is a valve or phase shifter for spin waves, acting as the carrier of information for computation or data processing within the emerging spin wave logic architectures of magnonics. The proposed concept offers such technically important benefits as energy efficiency, non-volatility, and miniaturization. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4705289]