空腔增强Al\AAO基纳米结构阵列的横向磁光Kerr效应

2019 Thirteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials) Pub Date : 2019-09-01 DOI:10.1109/MetaMaterials.2019.8900931

W. Zhang, D. Sylgacheva, P. Kapralov, Y. Song, V. Belotelov

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引用次数: 0

摘要

在这项工作中，通过磁控溅射方法研究了基于铝衬底(Al\AAO)的阳极氧化铝(AAO)模板上沉积的Py (permalloy)和Py\Ta纳米结构的反射率和横向磁光克尔效应(TMOKE)。结果表明，AAO膜直径可以调节TMOKE近反射率最小值的增加，引入Ta层后TMOKE强度可以增强，这是由于Ta中的高自旋轨道耦合对TMOKE的影响。这种纳米结构为光电和磁光应用的先进磁光器件的设计提供了新的途径。

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Cavity Enhanced Transverse Magneto-optical Kerr Effect of Al\AAO Based Nanostructure Arrays

In this work, reflectance and transverse magneto-optical Kerr effects (TMOKE) were investigated in Py (permalloy) and Py\Ta nanostructures deposited on the anodic aluminum oxide (AAO) template based on aluminum substrate (Al\AAO) via a magnetron sputtering method. It is demonstrated that the increase of TMOKE near reflectance minimum can be tuned by the AAO membrane diameter, and the TMOKE intensity can be enhanced once the Ta layer was introduced, elucidated by influence of high spin-orbit coupling in Ta on TMOKE. This proposed nanostructure conveys a new pathway in the design of advanced magneto-optical devices for optoelectronic and magneto-optical applications.

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来源期刊

2019 Thirteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials)

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