| Dust Charging in the Sheath of an Electronegative Plasma |
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| 作者姓名： | 王正汹 王文春 刘悦 刘金远 王晓钢 |
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| 作者单位： | StateKeyLaboratoryofMaterialsModificationbyLaser,ElectronandIonBeams,DepartmentofPhysics,DalianUniversityofTechnology,Dalian116024 |
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| 摘 要： | We theoretically investigate the dust charging in the sheath of an electronegative plasma, by using a single dust grain model based on a previous sheath structure Chin. Phys. Lett 20 (2003) 1537] in which cold positive ions and hot negative ions have been assumed. It is found that dust grains are first charged negatively at the sheath
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| 关 键 词： | 负电性等离子体 护层结构 冷正离子 热负离子 等离子体物理 泊松方程 |
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