Optical and Magneto-Optical Properties of Multilayer Magnetic Structures Based on Permalloy

IF 0.48 Q4 Physics and Astronomy Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-01-17 DOI:10.1134/S1062873824708821
I. V. Gladyshev, E. A. Ganshina, M. A. Simdyanova, A. N. Yurasov, M. M. Yashin, A. B. Granovsky, I. M. Pripechenkov
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Abstract

Using the example of two-layer tantalum-permalloy films, we studied the possible effects of enhancing the magneto-optical response and changing the magneto-optical spectrum in multilayer magnetic structures. The sputtering of a thin paramagnetic or diamagnetic film on permalloy can change the optical and magneto-optical parameters of permalloy due to the redistribution of atoms near the interface between the layers, or due to mechanical deformations. On the other hand, due to the effect of magnetic proximity, spin polarization may occur in a non-magnetic layer. The results of computer simulation of the transverse Kerr effect for a single-layer permalloy film with variations in its optical and magneto-optical parameters and a two-layer tantalum-permalloy system are presented, as well as a comparison of the calculation results with experiment.

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基于坡莫合金的多层磁性结构的光学和磁光性质
以两层钽-坡莫合金薄膜为例,研究了在多层磁性结构中增强磁光响应和改变磁光谱可能产生的影响。顺磁性或反磁性薄膜溅射在坡莫合金上,由于层间界面附近原子的重新分布或由于机械变形,可以改变坡莫合金的光学和磁光参数。另一方面,由于磁邻近的影响,在非磁层中也可能发生自旋极化。本文给出了随光学和磁光参数变化的单层坡莫合金薄膜和双层钽-坡莫合金体系的横向克尔效应的计算机模拟结果,并将计算结果与实验结果进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Bulletin of the Russian Academy of Sciences: Physics
Bulletin of the Russian Academy of Sciences: Physics Physics and Astronomy-Physics and Astronomy (all)
CiteScore
0.90
自引率
0.00%
发文量
251
期刊介绍: Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular,  letters  to  the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics  focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.
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