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Effect of cobalt layer thickness on the magnetoelectric properties of Co/PbZr0.45Ti0.55O3/Co heterostructures

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Abstract

We have studied the magnetic properties and determined the optimal range of thicknesses of cobalt films grown on PbZr0.45Ti0.55O3 (PZT) ceramic substrates with smoothed surfaces. Using an ion-beam deposition-sputtering process, we have produced Co/PZT/Co heterostructures with smooth, thermally stable PZT/Co interfaces. The structures exhibit a reproducible magnetoelectric effect comparable in magnitude to that in known layered structures fabricated by splicing ferromagnetic and ferroelectric layers. A ferromagnetic layer of optimal thickness makes the largest contribution to the magnetoelectric effect. The structures can be used as elements of more complex, multilayer structures. The use of the ion-beam deposition-sputtering process allows one to scale up such heterostructures by microelectronic means in producing magnetoelectric devices.

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Authors and Affiliations

  1. Scientific-Practical Materials Research Centre, Belarussian Academy of Sciences, ul. Brovki 19, Minsk, 220072, Belarus

    A. I. Stognij, N. N. Novitskii & S. A. Sharko

  2. Moscow State Technical University of Radio Engineering, Electronics, and Automation, pr. Vernadskogo 78, Moscow, 119454, Russia

    A. V. Bespalov & O. L. Golikova

  3. Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, Warsaw, 02-668, Poland

    A. Sazanovich, V. Dyakonov & H. Szymczak

  4. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    M. N. Smirnova & V. A. Ketsko

Authors
  1. A. I. Stognij
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  2. N. N. Novitskii
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  3. S. A. Sharko
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  4. A. V. Bespalov
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  5. O. L. Golikova
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  6. A. Sazanovich
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  7. V. Dyakonov
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  8. H. Szymczak
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  9. M. N. Smirnova
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  10. V. A. Ketsko
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Corresponding author

Correspondence to A. I. Stognij.

Additional information

Original Russian Text © A.I. Stognij, N.N. Novitskii, S.A. Sharko, A.V. Bespalov, O.L. Golikova, A. Sazanovich, V. Dyakonov, H. Szymczak, M.N. Smirnova, V.A. Ketsko, 2013, published in Neorganicheskie Materialy, 2013, Vol. 49, No. 10, pp. 1090–1094.

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Stognij, A.I., Novitskii, N.N., Sharko, S.A. et al. Effect of cobalt layer thickness on the magnetoelectric properties of Co/PbZr0.45Ti0.55O3/Co heterostructures. Inorg Mater 49, 1011–1014 (2013). https://doi.org/10.1134/S0020168513100117

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  • DOI: https://doi.org/10.1134/S0020168513100117

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