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Bragg resonances in the yttrium iron garnet – platinum – yttrium iron garnet layered structure
- Authors: Lobanov N.D.1, Matveev O.V.1, Morozova M.A.1
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Affiliations:
- Saratov State National Research University
- Issue: Vol 88, No 2 (2024)
- Pages: 288-294
- Section: Wave Phenomena: Physics and Applications
- URL: https://kld-journal.fedlab.ru/0367-6765/article/view/654765
- DOI: https://doi.org/10.31857/S0367676524020214
- EDN: https://elibrary.ru/RQWPYX
- ID: 654765
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Abstract
We studied theoretically the interaction between the spin current in a conductor with a strong spin-orbit coupling (platinum, Pt) and the spin wave in yttrium iron garnet ferromagnetic layers (YIG) with periodic thickness modulation under conditions of Bragg resonances and interlayer coupling. It is shown that in the YIG/Pt/YIG sandwich structure the conditions for two Bragg resonances in the first Brillouin area in the spin wave spectrum are fulfilled. The spin current in Pt allows frequency tuning of the resonances and control the depth of the spin wave band gap corresponding to the resonance conditions.
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About the authors
N. D. Lobanov
Saratov State National Research University
Author for correspondence.
Email: nl_17@mail.ru
Russian Federation, Saratov
O. V. Matveev
Saratov State National Research University
Email: nl_17@mail.ru
Russian Federation, Saratov
M. A. Morozova
Saratov State National Research University
Email: nl_17@mail.ru
Russian Federation, Saratov
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