Resonant Spin Pumping in an Acoustic Microwave Resonator with ZnO-GGG-YIG/Pt Structure


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Abstract

A theory of acoustic spin pumping in a bulk acoustic wave resonator with a ZnO-YIG-GGG-YIG/Pt structure is presented, with allowance for the exchange contribution to the formation of a coupled magnetoelastic wave spectrum, and the back action of acoustically excited magnetic dynamics in YIG films on the elastic subsystem in all layers. Good agreement is achieved between the theoretical and experimental frequency–field dependences of the resonant frequencies of the resonator and the voltage magnitude of the inverse spin Hall effect in Pt.

About the authors

N. I. Polzikova

Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences

Author for correspondence.
Email: polz@cplire.ru
Russian Federation, Moscow, 125009

S. G. Alekseev

Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences

Email: polz@cplire.ru
Russian Federation, Moscow, 125009

V. A. Luzanov

Kotelnikov Institute of Radio Engineering and Electronics, Fryazino Branch, Russian Academy of Sciences

Email: polz@cplire.ru
Russian Federation, Fryazino, Moscow oblast, 141190

A. O. Raevskiy

Kotelnikov Institute of Radio Engineering and Electronics, Fryazino Branch, Russian Academy of Sciences

Email: polz@cplire.ru
Russian Federation, Fryazino, Moscow oblast, 141190

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