NDLI: Initiation of Electrical Breakdown by Ionic Bombardment in a Vacuum Gap after Arc Extinction

Content Provider	IEEE Xplore Digital Library
Author	Zalucki, Z. Kutzner, J.
Copyright Year	1973
Description	This report presents a theoretical model of development of the post-arc gap breakdown in vacuum as a result of surface processes following cathode bombardment by energetic ions flowing from residual plasma after zero arc current. The most important surface processes for this model are sputtering and secondary electron emission. For a considerable group of metals, the sputtering yield Sr and secondary electron emission ¿c can assume relatively high values when the ions have a high energy. Based on the ion flux from the plasma and the time of its flow as well as the ionization of sputtered atoms, a quantitative criterion for a breakdown will be derived. It has been proven that breakdown will occur if there is at least a minimum ion charge Qi which is dependent on the product of Sr · ¿c. Qualitative consistency was also demonstrated between experimental results and the conclusion derived from our breakdown criterion.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	315
Ending Page	320
Page Count	6
File Size	1112177
File Format	PDF
ISSN	00933813
Volume Number	13
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1985-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vacuum breakdown Electric breakdown Vacuum arcs Plasmas Sputtering Electron emission Strontium Elementary particle vacuum Cathodes Ionization
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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