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Magnetic Interactions in Ni-Mn-Based Magnetic Shape-Memory Heusler Alloys

Authors

  • Mehmet Acet,

    Corresponding author
    1. Experimentalphysik, Universität Duisburg-Essen, Lotharstr. 1, 47048 Duisburg, Germany
    • Experimentalphysik, Universität Duisburg-Essen, Lotharstr. 1, 47048 Duisburg, Germany.
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  • Eberhard F. Wassermann

    Corresponding author
    1. Experimentalphysik, Universität Duisburg-Essen, Lotharstr. 1, 47048 Duisburg, Germany
    • Experimentalphysik, Universität Duisburg-Essen, Lotharstr. 1, 47048 Duisburg, Germany.
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  • We thank T. Krenke, E. Duman, S. Aksoy, I. Titov, X. Moya, L. Mañosa, and A. Planes for the collaborations over the years without which these works would not have been possible. We acknowledge the Deutsche Forschungsgemeinschaft (SPP1239) for supporting the activity.

Abstract

Ni-Mn-based Heusler alloys exhibit a variety of features related to martensitic transformations and are materials that are sought to be employed in actuation applications. To be able to exploit their properties, it is necessary to understand the rich variety and subtle magnetic coupling mechanisms occurring in these alloys. We review complementary neutron polarization analysis and ferromagnetic resonance experiments and give an account on the complex magnetism of these alloys in the austenite and martensite states.

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