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X-ray circular magnetic dichroism in the presence of strong spin fluctuations

  • Proceedings of the “OMA-19”, “ODPO-19”
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The use of X-ray magnetic circular dichroism (XMCD) spectra for determininghe t magnitude of atomic magnetic moments in compounds of rare-earth and transition elements is discussed. The standard sum rule approach often yields a magnitude of moments that is often smaller than values obtained from magnetic measurements. We attribute this to strong spin fluctuations in the surface layers in which XMCD signals form. A way of determining the values of local magnetic moments in the presence of strong fluctuations is proposed and tested.

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Authors and Affiliations

  1. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620099, Russia

    T. V. Kuznetsova & V. I. Grebennikov

  2. Ural Federal University, Yekaterinburg, 620002, Russia

    T. V. Kuznetsova & V. I. Grebennikov

Authors
  1. T. V. Kuznetsova
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  2. V. I. Grebennikov
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Corresponding author

Correspondence to T. V. Kuznetsova.

Additional information

Original Russian Text © T.V. Kuznetsova, V.I. Grebennikov, 2017, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2017, Vol. 81, No. 3, pp. 356–359.

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Kuznetsova, T.V., Grebennikov, V.I. X-ray circular magnetic dichroism in the presence of strong spin fluctuations. Bull. Russ. Acad. Sci. Phys. 81, 327–330 (2017). https://doi.org/10.3103/S1062873817030248

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  • DOI: https://doi.org/10.3103/S1062873817030248

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