Collection of scientific works Nanosystems, nanomaterials, nanotechnologies
Year 2026 Volume 24, Issue 2
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O. K. SHUAIBOV, O. Y. MINYA, R. V. HRYTSAK, Yu. Yu. BILAK, O. M. MALININ, A. O. MALININA, M. M. FELDIY, O. V. ZUBAKA, and A. R. MADIAR

Uzhhorod National University, 3, Narodna Square, UA-88000 Uzhhorod, Ukraine

Characteristics and Parameters of a Plasma of a Pulsed Gas-Discharge Reactor with Microparticles of Nickel Flow

503–518 (2026)

PACS numbers: 51.50.+v, 52.77.Dq, 52.80.Mg, 52.80.Tn, 79.60.Jv, 81.15.Jj, 82.33.Xj

Received 4 February, 2026

The characteristics of a plasma reactor for generating synchronous flows of nickel micro- and nanoparticles are presented. The reactor operates using an overvoltage nanosecond discharge between nickel electrodes in high-pressure argon (p = 202.6 kPa). Nickel vapour is introduced into the plasma through microexplosions of the electrode working-surface inhomogeneities in a strong electric-discharge field continuing 30–40 ns with a current amplitude of up to 300 A and a voltage of up to 25 kV. The following data are analyzed: voltage and current pulse oscillograms, pulse power, and energy contributions to the discharge, plasma spectral characteristics, line emission-intensity dependences on argon pressure, and oscillograms of the most intense spectral lines of the nickel atom. The main excited plasma components of the studied vapour–gas mixtures are identified, and the mechanisms for excitation of nickel atoms in this reactor are examined. The discharge-plasma parameters obtained by numerically solving the Boltzmann equation are presented. The reactor could find application in biomedical engineering for the inactivation of bacteria and harmful, pathogenic viruses.

KEY WORDS: electric discharge, plasma, argon, nanonickel, nanoparticles

DOI: https://doi.org/10.15407/nnn.24.02.0503

Citation:
O. K. Shuaibov, O. Y. Minya, R. V. Hrytsak, Yu. Yu. Bilak, O. M. Malinin, A. O. Malinina, M. M. Feldiy, O. V. Zubaka, and A. R. Madiar, Characteristics and Parameters of a Plasma of a Pulsed Gas-Discharge Reactor with Microparticles of Nickel Flow, Nanosistemi, Nanomateriali, Nanotehnologii, 24, No. 2: 503–518 (2026); https://doi.org/10.15407/nnn.24.02.0503
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