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Spin Pumping by Surface Magnetostatic Waves in Microstructures Based on Iron–Yttrium Garnet Films with (100) Crystallographic Orientation.

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Title: Spin Pumping by Surface Magnetostatic Waves in Microstructures Based on Iron–Yttrium Garnet Films with (100) Crystallographic Orientation.
Authors: Amakhanov, G. M1,2 (AUTHOR) agm.05@yandex.ru, Seleznev, M. E.1,2,3 (AUTHOR), Nikulin, Yu. V.2,3 (AUTHOR), Vysotskii, S. L.2,3 (AUTHOR), Sakharov, V. K.2,3 (AUTHOR), Dudko, G. M.2 (AUTHOR), Kozhevnikov, A. V.2 (AUTHOR), Khivintsev, Yu. V.2,3 (AUTHOR), Filimonov, Yu. A.1,2,3 (AUTHOR)
Source: Radiophysics & Quantum Electronics. Jul2025, Vol. 68 Issue 2, p150-163. 14p.
Subjects: Spin Hall effect, Spin waves, Yttrium iron garnet, Electromagnetic fields, Spintronics, Magnetic anisotropy, Crystal orientation
Abstract: Using the inverse spin Hall effect, we investigate spin pumping by traveling surface magnetostatic waves (SMSWs) in YIG/Pt structures based on YIG films with (100) crystallographic orientation. We compare the frequency dependence of the electromotive force (EMF) generated at contacts to Pt during propagation of SMSWs along the [100] and [110] crystallographic axes, corresponding to the hard and easy magnetization axes, respectively. It is shown that the overall character of this dependence is the same for different magnetization directions. However, the EMF is up to twice as large in structures magnetized along the [110] axis. This enhancement is attributed to the presence of anisotropic backward volume spin waves in the SMSW spectrum of such structures, characterized by van Hove singularities in the density of states. It is shown that three-magnon parametric instability does not affect the EMF ratio between structures magnetized along the [110] and [100] directions. [ABSTRACT FROM AUTHOR]
Copyright of Radiophysics & Quantum Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Spin Pumping by Surface Magnetostatic Waves in Microstructures Based on Iron–Yttrium Garnet Films with (100) Crystallographic Orientation.
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  Data: <searchLink fieldCode="JN" term="%22Radiophysics+%26+Quantum+Electronics%22">Radiophysics & Quantum Electronics</searchLink>. Jul2025, Vol. 68 Issue 2, p150-163. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Spin+Hall+effect%22">Spin Hall effect</searchLink><br /><searchLink fieldCode="DE" term="%22Spin+waves%22">Spin waves</searchLink><br /><searchLink fieldCode="DE" term="%22Yttrium+iron+garnet%22">Yttrium iron garnet</searchLink><br /><searchLink fieldCode="DE" term="%22Electromagnetic+fields%22">Electromagnetic fields</searchLink><br /><searchLink fieldCode="DE" term="%22Spintronics%22">Spintronics</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+anisotropy%22">Magnetic anisotropy</searchLink><br /><searchLink fieldCode="DE" term="%22Crystal+orientation%22">Crystal orientation</searchLink>
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  Data: Using the inverse spin Hall effect, we investigate spin pumping by traveling surface magnetostatic waves (SMSWs) in YIG/Pt structures based on YIG films with (100) crystallographic orientation. We compare the frequency dependence of the electromotive force (EMF) generated at contacts to Pt during propagation of SMSWs along the [100] and [110] crystallographic axes, corresponding to the hard and easy magnetization axes, respectively. It is shown that the overall character of this dependence is the same for different magnetization directions. However, the EMF is up to twice as large in structures magnetized along the [110] axis. This enhancement is attributed to the presence of anisotropic backward volume spin waves in the SMSW spectrum of such structures, characterized by van Hove singularities in the density of states. It is shown that three-magnon parametric instability does not affect the EMF ratio between structures magnetized along the [110] and [100] directions. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Radiophysics & Quantum Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11141-026-10447-1
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        Text: English
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      – SubjectFull: Spin Hall effect
        Type: general
      – SubjectFull: Spin waves
        Type: general
      – SubjectFull: Yttrium iron garnet
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      – SubjectFull: Crystal orientation
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              Text: Jul2025
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