Magnetic Phase Transition in the Csci Fesi Spacer in Fe/FeSi Multilayers

MRS Online Proceedings Library volume 382, Article number: 253 (1995) Cite this article

Abstract

We report the formation of the CsCI FeSi phase in Fe/FeSi multilayers with constant Fe thickness and varying FeSi layer thickness. The crystallographic and magnetic properties of this metastable FeSi phase are determined in thick (62 nm) epitaxial silicide layers with ion channeling, X-ray diffraction and Mossbauer spectroscopy measurements which clearly show that the CsCl phase becomes increasingly magnetic upon cooling down to 4.2 K. These results indicate that the transition from antiferromagnetic to ferromagnetic coupling observed at low temperatures in such multilayers is controlled by a magnetic phase transition in the FeSi spacer layer.

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Affiliations

  1. Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, Celestijnenlaan 200 D, B-3001, Leuven, Belgium

    J. Dekoster, A. Vantomme, S. Degroote, R. Moons & G. Langouche

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  1. J. Dekoster
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  2. A. Vantomme
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  3. S. Degroote
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  4. R. Moons
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  5. G. Langouche
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Correspondence to J. Dekoster.

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Dekoster, J., Vantomme, A., Degroote, S. et al. Magnetic Phase Transition in the Csci Fesi Spacer in Fe/FeSi Multilayers. MRS Online Proceedings Library 382, 253 (1995). https://doi.org/10.1557/PROC-382-253

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