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Identification of local magnetic contributions in a Co2FeBO5 single crystal by XMCD spectroscopy

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Abstract

The temperature dependences of the X-ray absorption spectra (XAS) and of the spectra of X-ray magnetic circular dichroism (XMCD) are measured near the L 3,2 absorption edges of Co and Fe in ludwigite Co2FeBO5 single crystals. The antiparallel orientation of the magnetic moments of cobalt and iron is demonstrated. The coercive fields related to cobalt and iron ions are determined. The orbital (m l ) and (m s ) spin contributions to the total magnetic moments of cobalt and iron ions are identified. The ratios and relative directions of m l and m s are found.

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Authors and Affiliations

  1. Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russia

    M. S. Platunov, S. G. Ovchinnikov, N. V. Kazak & V. N. Zabluda

  2. Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, 660041, Russia

    S. G. Ovchinnikov & N. B. Ivanova

  3. Siberian State Aerospace University, Krasnoyarsk, 660014, Russia

    S. G. Ovchinnikov

  4. BESSY II, Helmholtz-Zentrum, Berlin, 12489, Germany

    E. Weschke & E. Schierle

  5. Donetsk Institute for Physics and Engineering, National Academy of Sciences of Ukraine, Donetsk, 83114, Ukraine

    K. V. Lamonova

Authors
  1. M. S. Platunov
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  2. S. G. Ovchinnikov
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  3. N. V. Kazak
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  4. N. B. Ivanova
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  5. V. N. Zabluda
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  6. E. Weschke
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  7. E. Schierle
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  8. K. V. Lamonova
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Correspondence to M. S. Platunov.

Additional information

Original Russian Text © M.S. Platunov, S.G. Ovchinnikov, N.V. Kazak, N.B. Ivanova, V.N. Zabluda, E. Weschke, E. Schierle, K.V. Lamonova, 2012, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2012, Vol. 96, No. 10, pp. 723–727.

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Platunov, M.S., Ovchinnikov, S.G., Kazak, N.V. et al. Identification of local magnetic contributions in a Co2FeBO5 single crystal by XMCD spectroscopy. Jetp Lett. 96, 650–654 (2013). https://doi.org/10.1134/S0021364012220109

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  • DOI: https://doi.org/10.1134/S0021364012220109

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