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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Brillouin light scattering studies of planar metallic magnonic crystals
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Brillouin light scattering studies of planar metallic magnonic crystals

机译:平面金属大晶体的布里渊光散射研究

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摘要

The application of Brillouin light scattering to the study of the spin-wave spectrum of one-and two-dimensional planar magnonic crystals consisting of arrays of interacting stripes, dots and antidots is reviewed. It is shown that the discrete set of allowed frequencies of an isolated nanoelement becomes a finite-width frequency band for an array of identical interacting elements. It is possible to tune the permitted and forbidden frequency bands, modifying the geometrical or the material magnetic parameters, as well as the external magnetic field. From a technological point of view, the accurate fabrication of planar magnonic crystals and a proper understanding of their magnetic excitation spectrum in the gigahertz range is oriented to the design of filters and waveguides for microwave communication systems.
机译:综述了布里渊光散射在一维和二维平面镁磁晶体自旋波谱研究中的应用,该晶体由相互作用的条纹,点和解毒剂阵列组成。结果表明,对于一系列相同的相互作用元素,孤立的纳米元素的允许频率的离散集合成为有限宽度的频带。可以调谐允许和禁止的频带,修改几何或材料磁参数以及外部磁场。从技术的角度来看,平面镁质晶体的精确制造以及在千兆赫兹范围内对其磁激发谱的正确理解,是针对微波通信系统的滤波器和波导的设计。

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