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Dust Particle Properties in a Dual-Frequency Driven Sheath |
| LIU Yu;DAI Zhong-Ling;WANG You-Nian |
| State Key Laboratory of Materials Modification by Laser, Electron, and Ion Beams, School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116023 |
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| Cite this article: |
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LIU Yu, DAI Zhong-Ling, WANG You-Nian 2008 Chin. Phys. Lett. 25 1372-1375 |
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Abstract We study characteristics of a single dust particle in a dual-frequency capacitively coupled plasma sheath, such as charging and suspending processes, using a collisionless self-consistent model. Also, the movement of the dust grain with time is investigated for the various radii and initial velocities. The numerical results show that, after several microseconds, the charging process of the dust particle reaches equilibrium, and the grain
obtains its equilibrium position, In addition, it is found that the parameters of the low-frequency source impact on the charging and suspending processes of the dust grain significantly.
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| Keywords:
52.65.Kj
52.40.Kh
52.27.Lw
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Received: 16 January 2008
Published: 31 March 2008
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| PACS: |
52.65.Kj
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(Magnetohydrodynamic and fluid equation)
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52.40.Kh
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(Plasma sheaths)
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52.27.Lw
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(Dusty or complex plasmas; plasma crystals)
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