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Evanescent Exchange Magnons in a 1D Magnonic Crystal

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Ultrafast Magnetism I

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 159))

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Abstract

We investigate the transport properties of propagating and non-propagating exchange modes in a 1D magnonic crystal composed of stacked alternating layers of cobalt (Co) and permalloy (Fe20Ni80). We observe that the exchange magnons excited with energies lying in the energy gap die as soon as the Co layer gets wider.

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References

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Acknowledgments

The authors thank the European Research Council (ERC Project No. 247062-ASD), the Swedish Research Council (VR), the Knut and Alice Wallenberg Foundation, the Carl Tryggers Foundation, and the Göran Gustafsson Foundation for financial support. L.B. and A.B. also acknowledge SeRC and eSSENCE, respectively. The computer simulations wereperformed on resources provided by the Swedish National Infrastructure for Computing (SNIC) at the National Supercomputer Centre (NSC), UppMAX, and High Performance Computing Center North (HPC2N).

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Authors and Affiliations

  1. Department of Physics and Astronomy, Uppsala University, P.O. Box 516, 751 20, Uppsala, Sweden

    M. Pereiro, C. Etz, L. Bergqvist, A. Bergman & O. Eriksson

Authors
  1. M. Pereiro
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  2. C. Etz
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  3. L. Bergqvist
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  4. A. Bergman
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  5. O. Eriksson
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Corresponding author

Correspondence to M. Pereiro .

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Editors and Affiliations

  1. Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), Université de Strasbourg and CNRS, Strasbourg, France

    Jean-Yves Bigot

  2. Department of Physics, University of Kaiserslautern, Kaiserslautern, Germany

    Wolfgang Hübner

  3. Institute for Molecules and Materials (IMM), Radboud University, Nijmegen, The Netherlands

    Theo Rasing

  4. Physics Department, The University of York, York, United Kingdom

    Roy Chantrell

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© 2015 Springer International Publishing Switzerland

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Pereiro, M., Etz, C., Bergqvist, L., Bergman, A., Eriksson, O. (2015). Evanescent Exchange Magnons in a 1D Magnonic Crystal. In: Bigot, JY., Hübner, W., Rasing, T., Chantrell, R. (eds) Ultrafast Magnetism I. Springer Proceedings in Physics, vol 159. Springer, Cham. https://doi.org/10.1007/978-3-319-07743-7_31

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