Eur. Phys. J. AP
Volume 5, Number 2, February 1999
|Page(s)||111 - 114|
|Published online||15 February 1999|
Emission of carbon clusters from sooting plasma
Accelerator Laboratory, PINSTECH, P.O. Nilore, Islamabad, Pakistan
Corresponding author: email@example.com
Revised: 9 December 1998
Accepted: 25 January 1999
Published online: 15 February 1999
A hollow cathode source with a specially designed cusp magnetic field Bz(r,θ) provides clustering environment to the sputtered carbon atoms and ions. Source's distinctive features are its sooting properties that depend upon the two well-defined regions within the discharge. The cusp field drives both of these regions but in different modes – one region ionizes the source gas, introduces the sputtered C from the hollow cathode while the other is the collision dominated gyrational motion of the C+ ions along Bz(r,θ) contours. Tunability of plasma's discharge characteristics provides the tool to investigate clustering in the sooting plasma.
PACS: 52.80.Sm – Magnetoactive discharges (e.g., Penning discharges) / 36.40.Wa – Charged clusters / 52.55.Lf – Astron, cusp, and other magnetic traps
© EDP Sciences, 1999
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