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Electrophysical Properties of Metal-Containing Nanocomposites at a Nanophase Concentration to the Percolation Threshold

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Abstract

Dependences of the resistivity of metal-containing nanocomposite films with molybdenum, hafnium, chromium, vanadium, tungsten and tantalum nanoparticles on the content of the introduced metals have been studied. An increase in the conductivity of diamond-like films (DLFs) with an increase in the metal content is found. Depending on the introduced metal, the concentration dependences of the electrical conductivity of DLFs behave differently. The influence of high current densities on the electrical properties of DLFs is studied. High temporal stability of their resistance is revealed. It is found that DLFs have a negative temperature coefficient of resistance. The DLFs with a low content of metal-containing phase and a high resistivity are recommended to be used in temperature sensors, while the low-resistivity DLFs are recommended as resistive materials.

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Funding

The study was supported by the Ministry of Science and Higher Education of the Russian Federation and performed within a State Assignment for the Federal Scientific Research Centre “Crystallography and Photonics” of the Russian Academy of Sciences in the part concerning the study the influence of high current densities on the electrical properties of the metal-containing silicon–carbon films and a State Assignment of the Ministry of Science and Higher Education for project no. FNER-2019-0001 in the part concerning the study of the electrical conductivity of metal-containing nanocomposites.

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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

    I. G. Dyachkova

  2. Research Institute of Advanced Materials and Technologies, 105187, Moscow, Russia

    A. V. Mamontov, I. S. Monakhov, S. Y. Shahbazov & M. L. Shupegin

  3. National Research University “Higher School of Economics”, 101000, Moscow, Russia

    I. S. Monakhov

  4. National Research University “Moscow Power Engineering Institute”, 111250, Moscow, Russia

    M. L. Shupegin

Authors
  1. I. G. Dyachkova
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  2. A. V. Mamontov
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  3. I. S. Monakhov
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  4. S. Y. Shahbazov
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  5. M. L. Shupegin
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Corresponding author

Correspondence to I. G. Dyachkova.

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Translated by A. Zolot’ko

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Dyachkova, I.G., Mamontov, A.V., Monakhov, I.S. et al. Electrophysical Properties of Metal-Containing Nanocomposites at a Nanophase Concentration to the Percolation Threshold. Crystallogr. Rep. 65, 627–630 (2020). https://doi.org/10.1134/S1063774520040082

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  • DOI: https://doi.org/10.1134/S1063774520040082

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