Control of Spin-Wave Propagation using Magnetisation Gradients

We report that in an in-plane magnetised magnetic film the in-plane direction of a propagating spin wave can be changed by up to 90 degrees using an externally induced magnetic gradient field. We have achieved this result using a reconfigurable, laser-induced magnetisation gradient created in a conv...

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Detalles Bibliográficos
Autores principales: Vogel, Marc, Aßmann, Rick, Pirro, Philipp, Chumak, Andrii V., Hillebrands, Burkard, von Freymann, Georg
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2018
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6056527/
https://www.ncbi.nlm.nih.gov/pubmed/30038314
http://dx.doi.org/10.1038/s41598-018-29191-2
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author Vogel, Marc
Aßmann, Rick
Pirro, Philipp
Chumak, Andrii V.
Hillebrands, Burkard
von Freymann, Georg
author_facet Vogel, Marc
Aßmann, Rick
Pirro, Philipp
Chumak, Andrii V.
Hillebrands, Burkard
von Freymann, Georg
author_sort Vogel, Marc
collection PubMed
description We report that in an in-plane magnetised magnetic film the in-plane direction of a propagating spin wave can be changed by up to 90 degrees using an externally induced magnetic gradient field. We have achieved this result using a reconfigurable, laser-induced magnetisation gradient created in a conversion area, in which the backward volume and surface spin-wave modes coexist at the same frequency. Shape and orientation of the gradient control the conversion efficiency. Experimental data and numerical calculations agree very well. Our findings open the way to magnonic circuits with in-plane steering of the spin-wave modes.
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spelling pubmed-60565272018-07-30 Control of Spin-Wave Propagation using Magnetisation Gradients Vogel, Marc Aßmann, Rick Pirro, Philipp Chumak, Andrii V. Hillebrands, Burkard von Freymann, Georg Sci Rep Article We report that in an in-plane magnetised magnetic film the in-plane direction of a propagating spin wave can be changed by up to 90 degrees using an externally induced magnetic gradient field. We have achieved this result using a reconfigurable, laser-induced magnetisation gradient created in a conversion area, in which the backward volume and surface spin-wave modes coexist at the same frequency. Shape and orientation of the gradient control the conversion efficiency. Experimental data and numerical calculations agree very well. Our findings open the way to magnonic circuits with in-plane steering of the spin-wave modes. Nature Publishing Group UK 2018-07-23 /pmc/articles/PMC6056527/ /pubmed/30038314 http://dx.doi.org/10.1038/s41598-018-29191-2 Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Vogel, Marc
Aßmann, Rick
Pirro, Philipp
Chumak, Andrii V.
Hillebrands, Burkard
von Freymann, Georg
Control of Spin-Wave Propagation using Magnetisation Gradients
title Control of Spin-Wave Propagation using Magnetisation Gradients
title_full Control of Spin-Wave Propagation using Magnetisation Gradients
title_fullStr Control of Spin-Wave Propagation using Magnetisation Gradients
title_full_unstemmed Control of Spin-Wave Propagation using Magnetisation Gradients
title_short Control of Spin-Wave Propagation using Magnetisation Gradients
title_sort control of spin-wave propagation using magnetisation gradients
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6056527/
https://www.ncbi.nlm.nih.gov/pubmed/30038314
http://dx.doi.org/10.1038/s41598-018-29191-2
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