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Zhurnal Tekhnicheskoi Fiziki, 2020, Volume 90, Issue 2, Pages 330–337
DOI: https://doi.org/10.21883/JTF.2020.02.48829.195-19 (Mi jtf5396) 		 
This article is cited in 5 scientific papers (total in 5 papers)

Physical electronics

Theory of thermionic and secondary emission properties of palladium–barium cathodes of microwave electrovacuum devices

V. I. Kapustina, I. P. Lib, S. O. Moskalenkoa, A. V. Shumanova

a MIREA — Russian Technological University, Moscow
b JSC Pluton, Moscow
Full-text PDF (821 kB) Citations (5)
DOI: https://doi.org/10.21883/JTF.2020.02.48829.195-19
Abstract: A model of the surface structure of a palladium–barium cathode is proposed and the Dionne secondary electron emission model is used to calculate the dependence of the secondary electron emission coefficient of barium oxide crystallites forming on the surface of a cathode during its thermal activation on the temperature and oxygen vacancy concentration in the oxide. It is shown that the emission properties of a palladium–barium cathode significantly depend on both the emission properties of barium oxide crystallites and the cathode relative surface area occupied by them. The theoretical nomograms are built that relate the measured surface-averaged work function to the secondary electron emission coefficient of a palladium–barium cathode; the nomogram parameters are the temperature, oxygen vacancy concentration in barium oxide crystallites, and the relative cathode surface area occupied by them.
Received: 14.05.2019
Revised: 14.05.2019
Accepted: 05.06.2019
English version:
Technical Physics, 2020, Volume 65, Issue 2, Pages 317–323
DOI: https://doi.org/10.1134/S1063784220020073
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. I. Kapustin, I. P. Li, S. O. Moskalenko, A. V. Shumanov, “Theory of thermionic and secondary emission properties of palladium–barium cathodes of microwave electrovacuum devices”, Zhurnal Tekhnicheskoi Fiziki, 90:2 (2020), 330–337; Tech. Phys., 65:2 (2020), 317–323
Citation in format AMSBIB
\Bibitem{KapLiMos20}
\by V.~I.~Kapustin, I.~P.~Li, S.~O.~Moskalenko, A.~V.~Shumanov
\paper Theory of thermionic and secondary emission properties of palladium–barium cathodes of microwave electrovacuum devices
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2020
\vol 90
\issue 2
\pages 330--337
\mathnet{http://mi.mathnet.ru/jtf5396}
\crossref{https://doi.org/10.21883/JTF.2020.02.48829.195-19}
\elib{https://elibrary.ru/item.asp?id=42745584}
\transl
\jour Tech. Phys.
\yr 2020
\vol 65
\issue 2
\pages 317--323
\crossref{https://doi.org/10.1134/S1063784220020073}
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    • This publication is cited in the following 5 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
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