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Effects of magnetic dipole–dipole interaction and rotation of (DyPr)CoFeB microparticles on the magnetic properties of their ensembles

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Abstract

The differences in the hysteresis loops of the (DyPr)CoFeB ferrimagnetic alloy powders dispersed in a polymer and eicosane, in a free form, and in sintered samples, have been analyzed. It has been shown that the differences are determined by changes in the dipole–dipole interaction between microparticles upon their dissolution, as well as are determined by the mechanical rotation of the particles and the degree of pinning of their easy axes.

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Authors and Affiliations

  1. All-Russia Scientific Research Institute of Aviation Materials, ul. Radio 17, Moscow, 105005, Russia

    E. N. Kablov, O. G. Ospennikova, V. P. Piskorskii, D. V. Korolev & R. B. Morgunov

  2. Institute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432, Russia

    E. I. Kunitsyna, A. D. Talantsev & R. B. Morgunov

Authors
  1. E. N. Kablov
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  2. O. G. Ospennikova
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  3. V. P. Piskorskii
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  4. D. V. Korolev
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  5. E. I. Kunitsyna
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  6. A. D. Talantsev
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  7. R. B. Morgunov
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Corresponding author

Correspondence to R. B. Morgunov.

Additional information

Original Russian Text © E.N. Kablov, O.G. Ospennikova, V.P. Piskorskii, D.V. Korolev, E.I. Kunitsyna, A.D. Talantsev, R.B. Morgunov, 2015, published in Fizika Tverdogo Tela, 2015, Vol. 57, No. 11, pp. 2159–2163.

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Kablov, E.N., Ospennikova, O.G., Piskorskii, V.P. et al. Effects of magnetic dipole–dipole interaction and rotation of (DyPr)CoFeB microparticles on the magnetic properties of their ensembles. Phys. Solid State 57, 2221–2226 (2015). https://doi.org/10.1134/S1063783415110153

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  • DOI: https://doi.org/10.1134/S1063783415110153

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