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Allotropic Modifications of Cobalt upon Chemical Deposition

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Abstract

The effect of the solution acidity on the crystal structure of cobalt during its chemical deposition is reported. It has been shown using the structural and magnetic examination and nuclear magnetic resonance study that the change in the working solution acidity leads to deposition of cobalt with different allotropic modifications in the nearest environment: the hcp type in the small (up to ~8.5) pH region and the fcc type in the large (over ~8.5) pH region. The formation of these cobalt modifications is attributed to the size effects caused by a decrease in the particle size with increasing pH.

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ACKNOWLEDGMENTS

We are grateful to V.G. Myagkov for help in the measurements of the induced magnetic anisotropy constants.

Funding

This study was supported in part by the Russian Foundation for Basic Research, project no. 18-02-00161-a.

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Authors and Affiliations

  1. Siberian Federal University, 660041, Krasnoyarsk, Russia

    A. V. Chzhan, S. A. Podorozhnyak, I. N. Krayukhin & G. S. Patrin

  2. Krasnoyarsk State Agrarian University, 660049, Krasnoyarsk, Russia

    A. V. Chzhan

  3. Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia

    V. K. Mal’tsev & G. S. Patrin

Authors
  1. A. V. Chzhan
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  2. S. A. Podorozhnyak
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  3. V. K. Mal’tsev
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  4. I. N. Krayukhin
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  5. G. S. Patrin
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Corresponding author

Correspondence to A. V. Chzhan.

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The authors declare that they have no conflicts of interest.

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Translated by E. Bondareva

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Chzhan, A.V., Podorozhnyak, S.A., Mal’tsev, V.K. et al. Allotropic Modifications of Cobalt upon Chemical Deposition. Phys. Solid State 63, 42–46 (2021). https://doi.org/10.1134/S1063783421010054

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  • DOI: https://doi.org/10.1134/S1063783421010054

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