Abstract
The action of an electron beam on ordered dust structures in glow and low-pressure RF discharges was studied experimentally. The electron beam produces destruction and dynamic displacement of the dust structure. In the center of a dust structure, an electron beam with a low electron energy (tens of eV) at currents up to 1 mA caused structural disordering and “melting” in the region of its action but did not excite external crystal regions. Local action of an electron beam with a high electron energy (25 keV) and a beam current above 10 mA caused deformation of the whole dust structure and shifted it in the horizontal direction so that it was carried away from the RF discharge zone. The effect of dust structure displacements can be used to locally remove particles from a plasma.
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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 123, No. 3, 2003, pp. 498–502.
Original Russian Text Copyright © 2003 by Vasilyak, Vasil’ev, Vetchinin, Polyakov, Fortov.
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Vasilyak, L.M., Vasil’ev, M.N., Vetchinin, S.P. et al. The action of an electron beam on dust structures in a plasma. J. Exp. Theor. Phys. 96, 440–443 (2003). https://doi.org/10.1134/1.1567418
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DOI: https://doi.org/10.1134/1.1567418