Dust Particle Properties in a Dual-Frequency Driven Sheath |
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Authors: | LIU Yu DAI Zhong-Ling WANG You-Nian |
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Institution: | 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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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 grainobtains 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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