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2018 | 133 | 3 | 492-494
Article title

The Resonant Dynamic Magnetization Distribution in Ferromagnetic Thin Film with the Antidot

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EN
Abstracts
EN
The influence of homogeneous dynamic microwave magnetic field applied to the permalloy (Py) thin film with a single circular antidot on the magnetization dynamics was theoretically investigated. It was considered that the Py film is saturated by the external constant magnetic field along the direction perpendicular to the film plane. The linearized Landau-Lifshitz equation was applied in order to create an analytical model of small deviations from the equilibrium values of the magnetization and magnetic field. Conditions of the local ferromagnetic resonances were defined and the dependency of resonance frequency on the magnetic field magnitude was visualized. The model has shown that the amplitude of the resonant magnetization oscillations is localized near the antidot edge and their position is dependent on the frequency.
Keywords
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Contributors
author
  • Faculty of Mathematics and Physics, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Prospect Peremohy 37, Kyiv, 03056, Ukraine
author
  • Faculty of Physics, Adam Mickiewicz University in Poznan, Umultowska 85, Poznan, 61-614, Poland
author
  • Faculty of Mathematics and Physics, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Prospect Peremohy 37, Kyiv, 03056, Ukraine
author
  • Faculty of Mathematics and Physics, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Prospect Peremohy 37, Kyiv, 03056, Ukraine
  • Institute of Magnetism NAS and MES of Ukraine, Vernadskiy Av., 36-b, Kyiv, 03142, Ukraine
author
  • Faculty of Physics, Adam Mickiewicz University in Poznan, Umultowska 85, Poznan, 61-614, Poland
References
  • [1] S.A. Nikitov et al., Phys. Uspek. 58, 1002 (2015), doi: 10.3367/UFNe.0185.201510m.1099
  • [2] A.V. Chumak, V.I. Vasyuchka, A.A. Serga, B. Hillebrands, Nat. Phys. 11, 453 (2015), doi: 10.1038/NPHYS3347
  • [3] A. Akhiezer, V. Bar'yakhtar, S. Peletminskii, Spin Waves, 'Science', Moscow 1967), p. 25
  • [4] C.S. Davies, V.V. Kruglyak, IEEE Trans. Magn. 52, 2300504 (2016), doi: 10.1109/TMAG.2016.2517000
  • [5] F.B. Mushenok et al., Appl. Phys. Lett. 111, 042404 (2017), doi: 10.1063/1.4995991
  • [6] A. Vansteenkiste et al., AIP Advances 4, 107133 (2014), doi: 10.1063/1.4899186
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv133n3p048kz
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