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arXiv 1209.4153cond-mat.mes-hallcond-mat.mtrl-sci
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高磁矩金属铁磁薄膜中偶极交换自旋波模式分布的不对称性

Asymmetry of modal profiles of dipole-exchange spin waves in thin high-magnetic moment metallic ferromagnetic films

Mikhail Kostylev

摘要:

本文从理论上研究了垂直于外加磁场的面内磁化铁磁薄膜中传播的偶极交换自旋波的模式轮廓的不对称性。发现在典型厚度为10-60 nm的大磁矩铁磁金属薄膜中,谱的基模定域在与无交换Damon-Eshbach表面波定域表面相反的表面上。波的这种异常定位不影响微带和共面换能器的自旋波激发的非互易性,但可以在其他类型的实验中检测到。

英文摘要:

The asymmetry of the modal profiles for dipole-exchange spin waves propagating in in-plane magnetized ferromagnetic films at a right angle to the applied magnetic field has been investigated theoretically. It was found that in the large-magnetic moment ferromagnetic metallic films with typical thicknesses 10-60 nm the fundamental mode of the spectrum is localized at the surface opposite to the surface of localization of the exchange-free Damon-Eshbach surface wave. This anomalous localization of the wave does not affect the non-reciprocity of spin wave excitation by microstrip and coplanar transducers but may be detected in other types of experiments.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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