The Dynamic Proximity Effect in Superconductor –Ferromagnetic Insulator Hybrid Structures

Ya. V. Turkin; Туркин Я. В.; N. G. Pugach; Пугач Н. Г.; E. G. Ekomasov; Екомасов Е. Г.; B. G. L’vov; Львов Б. Г.

doi:10.31857/S0015323022601428

The Dynamic Proximity Effect in Superconductor –Ferromagnetic Insulator Hybrid Structures

Authors: Turkin Y.V.¹^,2, Pugach N.G.¹, Ekomasov E.G.³^,4, L’vov B.G.¹
Affiliations:
1. Higher School of Economics National Research University
2. Crimean Federal University
3. Bashkir State University
4. Bashkir State Pedagogical University
Issue: Vol 124, No 1 (2023)
Pages: 42-48
Section: ЭЛЕКТРИЧЕСКИЕ И МАГНИТНЫЕ СВОЙСТВА
URL: https://journals.rcsi.science/0015-3230/article/view/139331
DOI: https://doi.org/10.31857/S0015323022601428
EDN: https://elibrary.ru/KQRYAE
ID: 139331

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Abstract
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Abstract

This paper presents a theoretical study of the dynamics of the induced magnetization and spin cur-rent arising in a layer of an impure superconductor due to the proximity to a ferromagnetic dielectric with a uniform periodically precessing magnetization. The dynamics of the observed physical quantities is described within the semi-classical Usadel–Floquet formalism, which makes it possible to study the effect of a periodic perturbation on an inhomogeneous superconducting system. The spatial distributions and temporal evolu-tion of the induced magnetization and the superconducting spin current inside the superconductor layer are found from the numerical solutions of the system of Usadel–Floquet equations.

Keywords

superconducting spintronics, proximity effect, ferromagnetic resonance

References

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