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  Spin-wave interference in magnetic vortex stacks

Behncke, C., Adolff, C., Lenzing, N., Hänze, M., Schulte, B., Weigand, M., et al. (2018). Spin-wave interference in magnetic vortex stacks. Communications Physics, 1: 50.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-D544-5 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-D545-4
Genre: Journal Article

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 Creators:
Behncke, C., Author
Adolff, C., Author
Lenzing, N., Author
Hänze, M.1, Author
Schulte, B., Author
Weigand, M., Author
Schütz, G., Author
Meier, G., Author
Affiliations:
1Max Planck Society, ou_persistent13              

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 Abstract: Spin waves with wavelengths in the nanometre range could serve as data carriers in future magnonic logic or signal processing devices. We investigate the interference of spin waves emitted from magnetic vortices in two exchange-coupled vortex stacks. The spin-wave dynamics are studied using scanning transmission X-ray microscopy and micromagnetic simulations. Stacks of vortices provide an excellent controllability of spin-wave properties including a tunable wavelength in the 100 nm regime and manipulation of their propagation direction via the magnetisation configuration. Furthermore, interference gives rise to amplified or reduced spin-wave amplitudes in distinct areas of the structure providing controlled confinement crucial for future applications of spin waves.

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Language(s): eng - English
 Dates: 2018
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 744732
ISI: 000449047400001
 Degree: -

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Title: Communications Physics
Source Genre: Journal
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Publ. Info: LONDON : NATURE PUBLISHING GROUP
Pages: - Volume / Issue: 1 Sequence Number: 50 Start / End Page: - Identifier: ISSN: 2399-3650