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Effect of Magnetic-Pulse Processing on the Emission and Magnetic Properties of the Surface Layer of Amorphous Alloys Used in Electrical Engineering

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Abstract

In this paper, we study the effect of processing by weak pulses of a magnetic field on the emission and magnetic properties of the surface layer of amorphous Fe(SiBNb) alloys used in electrical devices. The method of gas-discharge visualization is used to identify areas of local disturbance of the electric field on microroughnesses of the surface. Changes in the characteristics of alloys are explained by the presence of microimpurities, which initiate the reordering of atoms under the effect of magnetic pulses; this intensifies the transfer of charges between metalloids and magnetoactive atoms. Investigation of the energy spectrum of emitted electrons allows a conclusion to be drawn about the prevalence of quantum-size effects in the processes of electron emission.

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ACKNOWLEDGMENTS

We are grateful to the employees of LLC SPS Avtopribor (Vladimir) for the provided alloy samples and participation in the discussion of the results of the work.

Funding

The work was partially supported by the Russian Foundation for Basic Research and the Government of Ivanovo Region, project no. 18-43-370 012 and by the Russian Foundation for Basic Research and the Government of Kaluga Region, project no. 18-41-400 001.

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Authors and Affiliations

  1. Lenin Ivanovo State Power Engineering University, 153003, Ivanovo, Russia

    M. N. Shipko & A. I. Tikhonov

  2. Ivanovo State University of Chemistry and Technology, 153000, Ivanovo, Russia

    A. L. Sibirev

  3. Tsiolkovsky Kaluga State University, 248023, Kaluga, Russia

    M. A. Stepovich

  4. National Research Technological University “MISiS”, 119049, Moscow, Russia

    E. S. Savchenko

Authors
  1. M. N. Shipko
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  2. A. L. Sibirev
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  3. M. A. Stepovich
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  4. A. I. Tikhonov
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  5. E. S. Savchenko
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Corresponding author

Correspondence to M. N. Shipko.

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Translated by A. Ivanov

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Shipko, M.N., Sibirev, A.L., Stepovich, M.A. et al. Effect of Magnetic-Pulse Processing on the Emission and Magnetic Properties of the Surface Layer of Amorphous Alloys Used in Electrical Engineering. J. Surf. Investig. 15, 970–974 (2021). https://doi.org/10.1134/S1027451021050190

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  • DOI: https://doi.org/10.1134/S1027451021050190

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