Abstract
The formation of an out-of-electrode plasma in a high-voltage gas discharge is studied. The occurrence and self-maintenance of a gas discharge and its associated plasma fluxes on the straight portions of electrical field lines are predicted theoretically and confirmed experimentally. It is shown that the focusing of the gas discharge and plasma fluxes is provided by increasing the length of the field line straight portions toward the symmetry axis of a hole in the anode. It is found that, when the discharge power (more specifically, an accelerating voltage applied to the electrodes of the gas-discharge tube) rises, the straight portions of the field lines elongate and concentrate near the symmetry axis of the hole in the anode. Recommendations are given on using the out-of-electrode plasma in surface micro- and nanostructuring.
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Original Russian Text © V.A. Kolpakov, A.I. Kolpakov, V.V. Podlipnov, 2013, published in Zhurnal Tekhnicheskoi Fiziki, 2013, Vol. 83, No. 4, pp. 41–46.
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Kolpakov, V.A., Kolpakov, A.I. & Podlipnov, V.V. Formation of an out-of-electrode plasma in a high-voltage gas discharge. Tech. Phys. 58, 505–510 (2013). https://doi.org/10.1134/S1063784213040130
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DOI: https://doi.org/10.1134/S1063784213040130