Recursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals

Recursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals

Abstract We explored spin-wave multiplets excited in a different type of magnonic crystal composed of ferromagnetic antidot-lattice fractals, by means of micromagnetic simulations with a periodic boundary condition. The modeling of antidot-lattice fractals was designed with a series of self-similar...

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Autores principales: Gyuyoung Park, Jaehak Yang, Sang-Koog Kim
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
Materias:
Medicine
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Science
Q
Acceso en línea:https://doaj.org/article/6b360d2e7656435d9e3519b83e6221ce
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spelling oai:doaj.org-article:6b360d2e7656435d9e3519b83e6221ce2021-11-21T12:20:29ZRecursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals10.1038/s41598-021-00417-02045-2322https://doaj.org/article/6b360d2e7656435d9e3519b83e6221ce2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-00417-0https://doaj.org/toc/2045-2322Abstract We explored spin-wave multiplets excited in a different type of magnonic crystal composed of ferromagnetic antidot-lattice fractals, by means of micromagnetic simulations with a periodic boundary condition. The modeling of antidot-lattice fractals was designed with a series of self-similar antidot-lattices in an integer Hausdorff dimension. As the iteration level increased, multiple splits of the edge and center modes of quantized spin-waves in the antidot-lattices were excited due to the fractals’ inhomogeneous and asymmetric internal magnetic fields. It was found that a recursive development (Fn = Fn−1 + Gn−1) of geometrical fractals gives rise to the same recursive evolution of spin-wave multiplets.Gyuyoung ParkJaehak YangSang-Koog KimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Gyuyoung Park
Jaehak Yang
Sang-Koog Kim
Recursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals
description Abstract We explored spin-wave multiplets excited in a different type of magnonic crystal composed of ferromagnetic antidot-lattice fractals, by means of micromagnetic simulations with a periodic boundary condition. The modeling of antidot-lattice fractals was designed with a series of self-similar antidot-lattices in an integer Hausdorff dimension. As the iteration level increased, multiple splits of the edge and center modes of quantized spin-waves in the antidot-lattices were excited due to the fractals’ inhomogeneous and asymmetric internal magnetic fields. It was found that a recursive development (Fn = Fn−1 + Gn−1) of geometrical fractals gives rise to the same recursive evolution of spin-wave multiplets.
format article
author Gyuyoung Park
Jaehak Yang
Sang-Koog Kim
author_facet Gyuyoung Park
Jaehak Yang
Sang-Koog Kim
author_sort Gyuyoung Park
title Recursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals
title_short Recursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals
title_full Recursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals
title_fullStr Recursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals
title_full_unstemmed Recursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals
title_sort recursive evolution of spin-wave multiplets in magnonic crystals of antidot-lattice fractals
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/6b360d2e7656435d9e3519b83e6221ce
work_keys_str_mv AT gyuyoungpark recursiveevolutionofspinwavemultipletsinmagnoniccrystalsofantidotlatticefractals
AT jaehakyang recursiveevolutionofspinwavemultipletsinmagnoniccrystalsofantidotlatticefractals
AT sangkoogkim recursiveevolutionofspinwavemultipletsinmagnoniccrystalsofantidotlatticefractals
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