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Stable magnetostructural coupling with tunable magnetoresponsive effects in hexagonal ferromagnets

Author

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  • Enke Liu

    (State Key Laboratory for Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Wenhong Wang

    (State Key Laboratory for Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Lin Feng

    (State Key Laboratory for Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Wei Zhu

    (State Key Laboratory for Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Guijiang Li

    (State Key Laboratory for Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Jinglan Chen

    (State Key Laboratory for Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Hongwei Zhang

    (State Key Laboratory for Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Guangheng Wu

    (State Key Laboratory for Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences)

  • Chengbao Jiang

    (School of Materials Science and Engineering, Beihang University)

  • Huibin Xu

    (School of Materials Science and Engineering, Beihang University)

  • Frank de Boer

    (Van der Waals-Zeeman Instituut, Universiteit van Amsterdam)

Abstract

The magnetostructural coupling between the structural and the magnetic transition has a crucial role in magnetoresponsive effects in a martensitic-transition system. A combination of various magnetoresponsive effects based on this coupling may facilitate the multifunctional applications of a host material. Here we demonstrate the feasibility of obtaining a stable magnetostructural coupling over a broad temperature window from 350 to 70 K, in combination with tunable magnetoresponsive effects, in MnNiGe:Fe alloys. The alloy exhibits a magnetic-field-induced martensitic transition from paramagnetic austenite to ferromagnetic martensite. The results indicate that stable magnetostructural coupling is accessible in hexagonal phase-transition systems to attain the magnetoresponsive effects with broad tunability.

Suggested Citation

  • Enke Liu & Wenhong Wang & Lin Feng & Wei Zhu & Guijiang Li & Jinglan Chen & Hongwei Zhang & Guangheng Wu & Chengbao Jiang & Huibin Xu & Frank de Boer, 2012. "Stable magnetostructural coupling with tunable magnetoresponsive effects in hexagonal ferromagnets," Nature Communications, Nature, vol. 3(1), pages 1-10, January.
    • Handle: RePEc:nat:natcom:v:3:y:2012:i:1:d:10.1038_ncomms1868
    DOI: 10.1038/ncomms1868
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