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Surface of the BaFe12O19 crystal and its influence on the interparticle magnetic interaction

  • Surface Physics and Thin Films
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Abstract

The influence of the physicochemical state of the particle surface on the interparticle magnetic interaction in a close-packed system of single-domain microcrystals of highly anisotropic hexaferrite BaFe12O19 has been studied. The efficiency of the used technique of treatment of the particle surface with acid and alkali solutions has been determined from the data on the Fe3+ ion concentration in the solution and on the change in the elemental composition in the near-surface layer. It has been shown that, when the etched layer thickness is 2.5c (c is the lattice parameter of ferrite), the parameter of the resulting interparticle interaction changes qualitatively and quantitatively. The technologically accessible technique used allows the attenuation of the interparticle magnetic interaction in a system of close-packed particles by several times.

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Authors and Affiliations

  1. Kazarin Kharkiv National University, pl. Svobody 4, Kharkiv, 61077, Ukraine

    L. P. Ol’khovik, Z. I. Sizova, E. V. Shurinova & K. A. Mozul’

  2. Ukrainian Engineering Pedagogics Academy, ul. Universitetskaya 16, Kharkiv, 61003, Ukraine

    E. V. Shurinova

  3. Ioffe Physical-Technical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia

    A. S. Kamzin

Authors
  1. L. P. Ol’khovik
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  2. Z. I. Sizova
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  3. E. V. Shurinova
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  4. K. A. Mozul’
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  5. A. S. Kamzin
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Corresponding author

Correspondence to L. P. Ol’khovik.

Additional information

Original Russian Text © L.P. Ol’khovik, Z.I. Sizova, E.V. Shurinova, K.A. Mozul’, A.S. Kamzin, 2012, published in Fizika Tverdogo Tela, 2012, Vol. 54, No. 12, pp. 2383–2387.

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Ol’khovik, L.P., Sizova, Z.I., Shurinova, E.V. et al. Surface of the BaFe12O19 crystal and its influence on the interparticle magnetic interaction. Phys. Solid State 55, 220–224 (2013). https://doi.org/10.1134/S1063783412120256

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  • DOI: https://doi.org/10.1134/S1063783412120256

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