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Formation of magnetic nanosize gratings in the illumination of thin-film Fe-Cr mixtures by interfering laser beams

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Abstract

The conditions for formation of nanosize gratings (∼100 nm) of ferromagnetic stripes in the illumination of thin-film (10–15 nm) paramagnetic Fe-Cr mixtures by interfering beams from an excimer laser are investigated. The ferromagnetic ordering arises as a result of the thermally stimulated clustering of Fe atoms. The gratings are formed in a certain energy interval of the laser radiation. The width of this interval depends substantially on both the interference period and the illumination time τ i. For τ i=10 ns there exists an energy interval in which gratings with periods as small as 300 nm are formed.

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Authors and Affiliations

  1. Institute of Applied Physics, Russian Academy of Sciences, Nizhnii Novgorod

    Yu. K. Verevkin, V. N. Petryakov & N. I. Polushkin

Authors
  1. Yu. K. Verevkin
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  2. V. N. Petryakov
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  3. N. I. Polushkin
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Pis’ma Zh. Tekh. Fiz. 24, 13–20 (June 26, 1998)

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Verevkin, Y.K., Petryakov, V.N. & Polushkin, N.I. Formation of magnetic nanosize gratings in the illumination of thin-film Fe-Cr mixtures by interfering laser beams. Tech. Phys. Lett. 24, 460–462 (1998). https://doi.org/10.1134/1.1262146

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  • DOI: https://doi.org/10.1134/1.1262146

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