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The effects of ion temperature on dust charging in the sheath of dusty plasmas

Published online by Cambridge University Press:  12 October 2004

ZHENG-XIONG WANG ,
JIN-YUAN LIU ,
YUE LIU  and
X. WANG
ZHENG-XIONG WANG
Affiliation:
State Key Laboratory of Materials Modification by Laser, Electron and Ion Beams, Department of Physics, Dalian University of Technology, Dalian, China 116024 (zxwang@student.dlut.edu.cn)
JIN-YUAN LIU
Affiliation:
State Key Laboratory of Materials Modification by Laser, Electron and Ion Beams, Department of Physics, Dalian University of Technology, Dalian, China 116024 (zxwang@student.dlut.edu.cn)
YUE LIU
Affiliation:
State Key Laboratory of Materials Modification by Laser, Electron and Ion Beams, Department of Physics, Dalian University of Technology, Dalian, China 116024 (zxwang@student.dlut.edu.cn)
X. WANG
Affiliation:
State Key Laboratory of Materials Modification by Laser, Electron and Ion Beams, Department of Physics, Dalian University of Technology, Dalian, China 116024 (zxwang@student.dlut.edu.cn)
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Abstract

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Dust charging in the sheath is investigated with the single dust model. The sheath profile and variation of dust charge are revealed under the effect of ion temperature. It is shown that the dust particles are rapidly positively charged in the pure ion sheath near the wall and that the ion motion effectively shifts the zero-point of the dust charge to the wall.

Type
Papers
Information
Journal of Plasma Physics , Volume 70 , Issue 5 , October 2004 , pp. 577 - 581
Copyright
2004 Cambridge University Press