K. P. Savkin, D. A. Sorokin, D. V. Beloplotov, A. G. Nikolaev, M. V. Shandrikov, A. V. Nikonenko, K. A. Shcheglov
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Abstract
The results of studies of a glow discharge in an argon flow at atmospheric pressure, initiated by voltage pulses with a duration of several microseconds with a frequency of 100 kHz are presented. The discharge current value varied from several tens of milliamperes to ∼1 A. The conditions when ions and atoms of cathode metal insert appeared in discharge plasma were determined. It has been shown as a result of metal atoms cooling, they stick together into nano-sized particles, which form agglomerates with characteristic dimensions from several micrometers to tens of micrometers and exposure of metal particles at atmospheric pressure leads to the formation of metal oxide powders. The prospects for using a plasma generator based on the glow discharge at atmospheric pressure as a source of ultrafine metal oxide powders have been determined.
期刊介绍：
Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular, letters to the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.
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