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Magnetostimulated Changes in the Microhardness of KDP Crystals with Embedded TiO2 Nanoparticles

  • PHYSICAL PROPERTIES OF CRYSTALS
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Abstract

The dependence of the microhardness of KDP crystals with embedded TiO2 nanoparticles on the time passed after their exposure to a dc magnetic field has been analyzed. Samples cut from different growth sectors are found to be differently affected by magnetic treatment. In the absence of TiO2 impurity, the microhardness of the samples from the {100} growth sector decreases after the magnetic exposure, whereas the microhardness of the samples cut from the {101} growth sector changes in two stages (hardening after softening). With an increase in the TiO2 concentration, the softening stage gradually disappears in the crystals from both growth sectors. In the KDP:TiO2 crystals from the {100} sector, hardening (which was absent previously) occurs instead of softening. In the crystals from the {101} sector, the hardening arises after a shorter time.

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ACKNOWLEDGMENTS

This study was supported by the Federal Agency for Scientific Organizations (contract no. 007-GZ/Ch3363/26) and a grant of the Presidium of the Russian Academy of Sciences (program no. 32 for 2018–2020).

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Authors and Affiliations

  1. Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, 119333, Moscow, Russia

    E. V. Darinskaya, M. V. Koldaeva, V. I. Alshits & A. E. Voloshin

  2. Institute for Single Crystals, National Academy of Sciences of Ukraine, 61072 , Kharkiv, Ukraine

    I. M. Pritula

Authors
  1. E. V. Darinskaya
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  2. M. V. Koldaeva
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  3. V. I. Alshits
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  4. I. M. Pritula
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  5. A. E. Voloshin
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Corresponding authors

Correspondence to E. V. Darinskaya or M. V. Koldaeva.

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Translated by Yu. Sin’kov

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Darinskaya, E.V., Koldaeva, M.V., Alshits, V.I. et al. Magnetostimulated Changes in the Microhardness of KDP Crystals with Embedded TiO2 Nanoparticles. Crystallogr. Rep. 63, 961–963 (2018). https://doi.org/10.1134/S1063774518060093

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  • DOI: https://doi.org/10.1134/S1063774518060093

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