Abstract:
In this paper, we present theoretical and experimental results on the excitation and detection of spin waves and spin currents in multifrequency bulk acoustic wave resonators containing iron–yttrium garnet (YIG) films in contact with the Pt film. Acoustically excited magnetic precession under the resonator conditions was established to produce spin pumping that also has a resonance character. A significant asymmetry in the frequency dependence of the voltage signal detected on the Pt film is revealed with respect to the frequency of the magnetoelastic resonance and is confirmed by theoretical calculations. Acoustic resonator spectroscopy in combination with the electric detection of magnetic dynamics using the inverse spin Hall effect is shown to be of interest for studying the dispersion of spin waves, as well as magnetic and magnetoelastic parameters of ferromagnetic films.
Citation:
N. I. Polzikova, S. G. Alekseev, V. A. Luzanov, A. O. Raevskii, “Electroacoustic excitation of spin waves and their detection due to the inverse spin Hall effect”, Fizika Tverdogo Tela, 60:11 (2018), 2170–2176; Phys. Solid State, 60:11 (2018), 2211–2217
\Bibitem{PolAleLuz18}
\by N.~I.~Polzikova, S.~G.~Alekseev, V.~A.~Luzanov, A.~O.~Raevskii
\paper Electroacoustic excitation of spin waves and their detection due to the inverse spin Hall effect
\jour Fizika Tverdogo Tela
\yr 2018
\vol 60
\issue 11
\pages 2170--2176
\mathnet{http://mi.mathnet.ru/ftt9012}
\crossref{https://doi.org/10.21883/FTT.2018.11.46659.17NN}
\elib{https://elibrary.ru/item.asp?id=36903765}
\transl
\jour Phys. Solid State
\yr 2018
\vol 60
\issue 11
\pages 2211--2217
\crossref{https://doi.org/10.1134/S1063783418110252}
Linking options:
https://www.mathnet.ru/eng/ftt9012
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