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  Band structure engineering of two-dimensional magnonic vortex crystals

Behncke, C., Hänze, M., Adolff, C. F., Weigand, M., & Meier, G. (2015). Band structure engineering of two-dimensional magnonic vortex crystals. Physical Review B, 91(22): 224417. doi:10.1103/PhysRevB.91.224417.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0028-14AC-9 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0028-1A06-2
Genre: Journal Article

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PhysRevB.91.224417.pdf (Publisher version), 2MB
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http://dx.doi.org/10.1103/PhysRevB.91.224417 (Publisher version)
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 Creators:
Behncke, Carolin1, Author
Hänze, Max1, Author
Adolff, Christian F.1, Author
Weigand, Markus2, Author
Meier, Guido3, 4, 5, Author           
Affiliations:
1Institut für Angewandte Physik und Zentrum für Mikrostrukturforschung, Universität Hamburg, Jungiusstr. 11, 20355 Hamburg, Germany, ou_persistent22              
2Max-Planck Institute for Intelligent Systems, Heisenbergstr. 3, 70569 Stuttgart, Germany, ou_persistent22              
3Dynamics and Transport in Nanostructures, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2074319              
4Ultrafast Electronics, Scientific Service Units, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2074323              
5The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, 22761 Hamburg, Germany, ou_persistent22              

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Free keywords: PACS numbers: 75.70.Kw, 71.20.−b, 68.37.Yz, 76.50.+g
 Abstract: Magnonic vortex crystals are studied via scanning transmission x-ray microscopy and ferromagnetic-resonance spectroscopy. We investigate a two-dimensional vortex crystal by imprinting waves with tunable wave vectors. The dispersion relation ω(k) is determined via ferromagnetic-resonance spectroscopy with a tunable frequency and wave vector for two vortex core polarization patterns that are adjusted by self-organized state formation prior to the measurement. We demonstrate that the band structure of the crystal is reprogrammed by tuning the vortex polarizations.

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Language(s): eng - English
 Dates: 2015-05-202015-02-202015-06-152015-06-01
 Publication Status: Issued
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.91.224417
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 91 (22) Sequence Number: 224417 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008