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Ultrafast Magnetism I pp 23–25Cite as

Evolving Magnetization Dynamics in Mn3-xGa

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

Abstract

Magnetic materials with high magnetic coercivity (Hc), magnetic anisotropy (Ku) and low Gilbert damping (α) are of great importance for future spintronics devices. For instance, for spin-transfer-torque (STT) memory devices low α and high Ku are desired. Such a combination of material properties includes a built in contradiction since both Ku and α are dependent on the spin-orbit interaction (SO); a high Ku material is expected to have a high α. However, recent experimental investigations of Mn3-xGa, a material exhibiting high Curie temperature (Tc) > 700 K and (out-of-plane) perpendicular anisotropy, have shown that such a contradictorily low α and high Ku material exists.

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References

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Acknowledgments

The authors would like to thank the Swedish Research Council for financial support.

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Authors and Affiliations

  1. Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525, AJ, Nijmegen, The Netherlands

    J. M. Wikberg, I. Razdolski, A. Kirilyuk & Th. Rasing

  2. MAX-Lab, Lund University, P.O. Box 118, 221 00, Lund, Sweden

    J. Sadowski

  3. Department of Materials Chemistry, Uppsala University, P.O. Box 538, 751 21, Uppsala, Sweden

    M. Ottoson

  4. Department of Engineering Sciences, Uppsala University, P.O. Box 534, 751 21, Uppsala, Sweden

    Y. Wei & P. Svedlindh

Authors
  1. J. M. Wikberg
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  2. I. Razdolski
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  3. A. Kirilyuk
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  4. Th. Rasing
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  5. J. Sadowski
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  6. M. Ottoson
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  7. Y. Wei
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  8. P. Svedlindh
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Corresponding author

Correspondence to J. M. Wikberg .

Editor information

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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Wikberg, J.M. et al. (2015). Evolving Magnetization Dynamics in Mn3-xGa. 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_8

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