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Maximum magnetic recording density and switching field distribution

  • Magnetism
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Abstract

An analytical calculation of the parameters of magnetic recording on a square lattice of magnetic granules of the patterned medium has been carried out. The maximum density of the longitudinal and perpendicular recording, which is limited by the thermal instability of the magnetic state and by the magnetic dipole interaction of magnetic granules (bits), has been calculated. The switching field distribution function with the parameters determined by the magnetic dipole interaction of granules and their geometry has been determined for perpendicular recording on rod-shaped granules.

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Authors and Affiliations

  1. National Research Centre “Kurchatov Institute”, pl. Akademika Kurchatova 1, Moscow, 123098, Russia

    E. Z. Meilikhov & R. M. Farzetdinova

Authors
  1. E. Z. Meilikhov
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  2. R. M. Farzetdinova
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Correspondence to E. Z. Meilikhov.

Additional information

Original Russian Text © E.Z. Meilikhov, R.M. Farzetdinova, 2014, published in Fizika Tverdogo Tela, 2014, Vol. 56, No. 12, pp. 2326–2334.

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Meilikhov, E.Z., Farzetdinova, R.M. Maximum magnetic recording density and switching field distribution. Phys. Solid State 56, 2408–2417 (2014). https://doi.org/10.1134/S1063783414120233

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  • DOI: https://doi.org/10.1134/S1063783414120233

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