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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

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ISSN Печать: 1093-3611

ISSN Онлайн: 1940-4360

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00005 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.07 SJR: 0.198 SNIP: 0.48 CiteScore™:: 1.1 H-Index: 20

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PLASMA-CATHODE ELECTRON SOURCE BASED ON A LOW-PRESSURE ARC DISCHARGE IN THE MODE OF THE EMISSION CURRENT ENHANCEMENT

Том 19, Выпуск 1, 2015, pp. 19-27
DOI: 10.1615/HighTempMatProc.2015015733
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Краткое описание

In the electron beam source based on a plasma cathode with a grid-stabilized plasma emission boundary, the anode plasma significantly affects the limited parameters of the source and widely determines the main characteristics of the source. This paper describes a theoretical and experimental investigation of the discharge plasma generation and the significant increasing mode of the electron emission current in the plasma electron source based on a low-pressure arc discharge. The source works at a pressure of 0.02−0.05 Pa, an accelerating voltage of 10 kV, and a longitudinal magnetic field of 0.1 T. According to experiment and theory, plasma potential depends on the electric field that penetrates from the accelerating gap of anode plasma through the grid meshes, on the discharge current, gas pressure, grid geometric transparency, and on the gas type. It is shown that the basic mechanisms corresponding to the discharge current enhancement and emission current are associated with the secondary ion-electron emission of electrons in the plasma cathode and transport channel on the grid electrode, the presence of positive feedback between the plasma cathode generation area and electron beam transport channel.

ЦИТИРОВАНО В
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