A non-self-consistent electron-beam controlled discharge in methane
The use of methane in a non-self-consistent discharge controlled by an electron beam permits obtaining high discharge currents for relatively low electric fields. The current gain is 103for 500 V/cm fields and a 14 mA/cm2 injection current density. For fields greater than 7–8 kV/cm and atmospheric pressure, punch-through of the gas discharge gap occurs. It is shown that a breakpoint in the CVC in the area of low currents is associated with the appearance of spots on the cathode. A domain Instability, related to the nonmonotonic dependence of the drift velocity on the reduced field in methane, is detected.
KeywordsMethane Electron Beam Control Discharge Discharge Current Drift Velocity
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- 1.B. M. Koval'chuk, V. V. Kremnev, G. A. Mesyats, and Yu. F. Potalitsyn, Zh. Prikl. Mekh. Tekhn. Fiz., No. 6, 21–29 (1971).Google Scholar
- 2.B. M. Koval'chuk, Yu. D. Korolev, V. V. Kremnev, and G. A. Mesyats, Radiotekh. Elektron., No. 6, 1513–1516 (1976).Google Scholar
- 3.R. O. Hunter, Proc. IEEE Int. Pulsed Power Conf., Lubbock, Texas 1c8/1-6 (1976).Google Scholar
- 4.L. S. Hurst, J. A. Stockdall, and L. O'Kelly, J. Chem. Phys.,38, No. 10, 2572–2578 (1963).Google Scholar
- 5.A. M. Efremov, B. M. Koval'chuk, D. A. Noskov, and N. G. Pankovets, Electron Accelerators and Electro-physical Apparatus [in Russian], Tomsk (1978).Google Scholar
- 6.V. V. Zakharov, A. A. Karpikov, and V. E. Chekhunov, Zh. Tekh. Fiz.,46, 1846–1856 (1976).Google Scholar
- 7.Yu. D. Korolev, V. B. Ponomarev, and A. S. Symakh, Zh. Prikl. Mekh. Tekh. Fiz., No. 1, 21–25 (1979).Google Scholar
- 8.G. B. Lopantseva, A. F. Pal', I. G. Persiantsev, V. M. Polushkin, A. N. Starostin, M. A. Timofeev, and E. G. Treneva, Fiz. Plasmy,5, 1370–1378 (1979).Google Scholar