Publication: Testing Secondary-Emission Self-Oscillatory Probe
Дата
2020
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© 2020, Pleiades Publishing, Ltd.Abstract: The test results of the prototype of the secondary-emission probe operating in the mode of self-oscillatory sweep intended for diagnosing nonequilibrium plasma in the presence of epithermal group of electrons are given. Earlier, the method of self-oscillatory probe was tested using an aluminum water-cooled contact surface with formation of a nanoscale thick high-emission oxide coating. The structure of the described probe is peculiar owing to application of refractory tantalum, which is capable of working in the mode of radiation cooling, which simplifies the structure and increases the reliability of the probe. It is shown that, owing to secondary-emission characteristics, oxide-coated tantalum allows under plasma loading obtaining a pronounced N-type current–voltage characteristic with a large excess in the electron-emission current component against the ion saturation current and satisfies all requirements for realization of the method of self-oscillatory probe.
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Vizgalov, I. V. Testing Secondary-Emission Self-Oscillatory Probe / Vizgalov, I.V., Sorokin, I.A. // Physics of Atomic Nuclei. - 2020. - 83. - № 10. - P. 1459-1466. - 10.1134/S1063778820100245
URI
https://www.doi.org/10.1134/S1063778820100245
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https://openrepository.mephi.ru/handle/123456789/23129
https://www.scopus.com/record/display.uri?eid=2-s2.0-85101140049&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000620124400010
https://openrepository.mephi.ru/handle/123456789/23129