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2014•Unpublished venueRequires access

Secondary electron emission of the cathode in high-power continuous wave magnetron tubes

Shikai Qi, Xiaoxia Wang, Jirun Luo, Shike Zhao, Qinglan Zhao, Yun Li, Qi Zhang

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Abstract

Different treatments on the cathode surface are adopted to enhance the secondary electron emission(SEE)of the cathode in high-power continuous wave magnetron tubes, which show that SEE coefficient of the pure tungsten cathode sprayed sand for coarseness and coated W-Re5%wt film is higher than that of untreated pure tungsten cathode.

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What this paper is about

Different treatments on the cathode surface are adopted to enhance the secondary electron emission(SEE)of the cathode in high-power continuous wave magnetron tubes, which show that SEE coefficient of the pure tungsten cathode sprayed sand for coarseness and coated W-Re5%wt film is higher than that of untreated pure tungsten cathode.

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OpenAlex reports 10 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Different treatments on the cathode surface are adopted to enhance the secondary electron emission(SEE)of the cathode in high-power continuous wave magnetron tubes, which show that SEE coefficient of the pure tungsten cathode sprayed sand for coarseness and coated W-Re5%wt film is higher than that of untreated pure tungsten cathode.

Key concepts: Cathode, Cavity magnetron, Tungsten, Materials science, Electron, Secondary emission, Hot cathode, Continuous wave

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