Electron beam generation in a magnetron diode with metal secondary-emission cathode |
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| Authors: | Yu Ya Volkolupov A N Dovbnya V V Zakutin M A Krasnogolovets N G Reshetnyak V V Mitrochenko V P Romas’ko G I Churyumov |
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| Institution: | (1) National Research Center, Kharkov Institute of Physics and Technology, Kharkov, 61108, Ukraine |
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| Abstract: | The effects of electric and magnetic field intensities, the triggering-pulse droop rate, and the electrode diameter on the processes of electron beam formation and generation were studied experimentally. The results of mathematical simulation of the secondary-emission multiplication of the electron flow are presented. Tubular electron beams with a wall thickness of 1.5–2 mm, a current density of 1–70 A/cm2, and a particle energy of 5–100 keV were obtained. It was shown that several electron bunches could be obtained during a single voltage pulse. |
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