Physical Review Applied, volume 14, issue 2, publication number 024086

Magnetization Dynamics in Proximity-Coupled Superconductor-Ferromagnet-Superconductor Multilayers

Golovchanskiy I.A. 1, 2, 3
Abramov N N 1
Abramov N.N. 1
Stolyarov V. S. 2, 3, 4
Chichkov V. 1
Silaev M. 3, 5
Shchetinin I V 1
Golubov A. A. 3, 6
Ryazanov V V 1, 4, 7
Ryazanov V. V. 1, 4, 7
Ustinov A. V. 1, 8, 9
Ustinov A.V. 1, 8, 9
Publication typeJournal Article
Publication date2020-08-27
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor4.6
ISSN23317019
General Physics and Astronomy
Abstract
In this work, magnetization dynamics is studied in superconductor/ferromagnet/superconductor three-layered films in a wide frequency, field, and temperature ranges using the broad-band ferromagnetic resonance measurement technique. It is shown that in presence of both superconducting layers and of superconducting proximity at both superconductor/ferromagnet interfaces a massive shift of the ferromagnetic resonance to higher frequencies emerges. The phenomenon is robust and essentially long-range: it has been observed for a set of samples with the thickness of ferromagnetic layer in the range from tens up to hundreds of nanometers. The resonance frequency shift is characterized by proximity-induced magnetic anisotropies: by the positive in-plane uniaxial anisotropy and by the drop of magnetization. The shift and the corresponding uniaxial anisotropy grow with the thickness of the ferromagnetic layer. For instance, the anisotropy reaches 0.27~T in experiment for a sample with 350~nm thick ferromagnetic layer, and about 0.4~T in predictions, which makes it a ferromagnetic film structure with the highest anisotropy and the highest natural resonance frequency ever reported. Various scenarios for the superconductivity-induced magnetic anisotropy are discussed. As a result, the origin of the phenomenon remains unclear. Application of the proximity-induced anisotropies in superconducting magnonics is proposed as a way for manipulations with a spin-wave spectrum.

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Golovchanskiy I. et al. Magnetization Dynamics in Proximity-Coupled Superconductor-Ferromagnet-Superconductor Multilayers // Physical Review Applied. 2020. Vol. 14. No. 2. 024086
GOST all authors (up to 50) Copy
Golovchanskiy I., Abramov N. N., Abramov N., Stolyarov V. S., Chichkov V., Silaev M., Shchetinin I. V., Shchetinin I., Golubov A. A., Golubov A. A., Ryazanov V. V., Ryazanov V. V., Ustinov A. V., Ustinov A., Kupriyanov M. Y. Magnetization Dynamics in Proximity-Coupled Superconductor-Ferromagnet-Superconductor Multilayers // Physical Review Applied. 2020. Vol. 14. No. 2. 024086
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TY - JOUR
DO - 10.1103/PhysRevApplied.14.024086
UR - https://doi.org/10.1103%2FPhysRevApplied.14.024086
TI - Magnetization Dynamics in Proximity-Coupled Superconductor-Ferromagnet-Superconductor Multilayers
T2 - Physical Review Applied
AU - Golovchanskiy, I.A.
AU - Abramov, N N
AU - Stolyarov, V. S.
AU - Chichkov, V.
AU - Silaev, M.
AU - Shchetinin, I V
AU - Golubov, A. A.
AU - Ryazanov, V. V.
AU - Ustinov, A. V.
AU - Kupriyanov, Mikhail Yu.
AU - Abramov, N.N.
AU - Shchetinin, Igor
AU - Golubov, Alexander A.
AU - Ryazanov, V V
AU - Ustinov, A.V.
PY - 2020
DA - 2020/08/27 00:00:00
PB - American Physical Society (APS)
IS - 2
VL - 14
SN - 2331-7019
ER -
BibTex
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BibTex Copy
@article{2020_Golovchanskiy,
author = {I.A. Golovchanskiy and N N Abramov and V. S. Stolyarov and V. Chichkov and M. Silaev and I V Shchetinin and A. A. Golubov and V. V. Ryazanov and A. V. Ustinov and Mikhail Yu. Kupriyanov and N.N. Abramov and Igor Shchetinin and Alexander A. Golubov and V V Ryazanov and A.V. Ustinov},
title = {Magnetization Dynamics in Proximity-Coupled Superconductor-Ferromagnet-Superconductor Multilayers},
journal = {Physical Review Applied},
year = {2020},
volume = {14},
publisher = {American Physical Society (APS)},
month = {aug},
url = {https://doi.org/10.1103%2FPhysRevApplied.14.024086},
number = {2},
doi = {10.1103/PhysRevApplied.14.024086}
}
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