Teplofizika vysokikh temperatur
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Teplofizika vysokikh temperatur, 2010, Volume 48, Issue 3, Pages 323–332 (Mi tvt734)  

This article is cited in 6 scientific papers (total in 6 papers)

Plasma Investigations

Thermionic-field emission of electrons from conical metal points

A. B. Petrin

Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow
Abstract: The electric field in the neighborhood of the tip of conical point exhibits an integrable special feature. Therefore, for calculating the current of thermionic-field emission from a conical point, one has to find (or reasonably estimate) the emission current density, including that at high and, in the limit, infinite fields. It is suggested to solve this problem using, firstly, a numerical method of finding the electric field of a conical point which is capable of correctly describing the feature at the tip and, secondly, a common approach to considering the thermionic, field, and thermionic-field emission of electrons from metal in a wide range of variation of electric field on the surface. It is demonstrated that, at high electric fields, the density of thermionic-field emission current tends to some limiting value, i.e., the effect of saturation of emission current density is observed. The basic reason for this saturation is found. It is demonstrated that the total current of electron emission from a conical point remains finite at not too high values of intensity of external electric field, in spite of the infinite field increasing at the cone tip.
Received: 20.04.2009
English version:
High Temperature, 2010, Volume 48, Issue 3, Pages 305–314
DOI: https://doi.org/10.1134/S0018151X10030016
Bibliographic databases:
Document Type: Article
UDC: 533.9
Language: Russian
Citation: A. B. Petrin, “Thermionic-field emission of electrons from conical metal points”, TVT, 48:3 (2010), 323–332; High Temperature, 48:3 (2010), 305–314
Citation in format AMSBIB
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\by A.~B.~Petrin
\paper Thermionic-field emission of electrons from conical metal points
\jour TVT
\yr 2010
\vol 48
\issue 3
\pages 323--332
\mathnet{http://mi.mathnet.ru/tvt734}
\transl
\jour High Temperature
\yr 2010
\vol 48
\issue 3
\pages 305--314
\crossref{https://doi.org/10.1134/S0018151X10030016}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000279216400001}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-77955956664}
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  • https://www.mathnet.ru/eng/tvt734
  • https://www.mathnet.ru/eng/tvt/v48/i3/p323
  • This publication is cited in the following 6 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Teplofizika vysokikh temperatur Teplofizika vysokikh temperatur
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