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Magnetization Induced in a Superconductor Due to the Effect of Proximity with a Ferromagnetic Dielectric

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Abstract

This work investigates the magnetization of a superconductor induced by the proximity effect in bilayers containing a superconductor and a ferromagnetic insulator using the Green’s functions method. The simulation was carried out using the quasi-classical approximation; the Usadel equations were solved using boundary conditions specially developed for strongly ferromagnetic materials. The suppression of the superconducting order parameter as a result of the effect of the proximity to the ferromagnetic insulator has also been investigated.

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Funding

This article was prepared in the course of the study (project No. 19-04-030) “Exchange interactions in low-size quantum magnetic systems” in the framework of the Program “Scientific Foundation of the National Research University “Higher School of Economics” (NIU VShE)” in 2018–2019 and was supported in part by the grant for the leading universities of the Russian Federation “5-100.”

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Authors and Affiliations

  1. National Research University Higher School of Economics, 101000, Moscow, Russia

    V. O. Yagovtsev

  2. Skobeltsyn Research Institute of Nuclear Physics, Lomonosov Moscow State University, 119991, Moscow, Russia

    N. G. Pugach

Authors
  1. V. O. Yagovtsev
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  2. N. G. Pugach
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Correspondence to N. G. Pugach.

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Translated by S. Gorin

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Yagovtsev, V.O., Pugach, N.G. Magnetization Induced in a Superconductor Due to the Effect of Proximity with a Ferromagnetic Dielectric. Phys. Metals Metallogr. 121, 242–247 (2020). https://doi.org/10.1134/S0031918X20030084

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  • DOI: https://doi.org/10.1134/S0031918X20030084

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