Effects of Ion Flow by E×B Drift on Dust Particle Behavior in Magnetized Cylindrical Electron Cyclotron Resonance Plasmas
Effects of Ion Flow by E×B Drift on Dust Particle Behavior in Magnetized Cylindrical Electron Cyclotron Resonance Plasmas
复制标题
E×B漂移离子流对磁化圆柱电子回旋共振等离子体中尘粒行为的影响
DOI：
10.1143/jjap.36.877
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发表时间：
1997
影响因子：
1.5
通讯作者：
Shuichi Takamura Shuichi Takamura
中科院分区：
文献类型：
--
作者：
S. Nunomura;Noriyasu Ohno Noriyasu Ohno;Shuichi Takamura Shuichi Takamura
研究了磁化圆柱电子回旋共振等离子体中与E×B漂移相关的极向离子流与尘埃粒子的相互作用，其中径向电场由偏置环形电极控制。即使当尘埃粒子上的向内电场力大于引力时，由于极向离子阻力，尘埃粒子也会自旋而出并从等离子体中移除。这表明有可能使用一种新的方法来去除加工等离子体中的尘埃颗粒。另一方面，为了维持等离子体中的尘埃粒子，这种极向离子流的影响应该通过尘埃粒子与中性气体之间的摩擦而大大减少。
Interactions between poloidal ion flow associated with E×B drift and dust particles have been investigated in magnetized cylindrical electron cyclotron resonance plasmas, in which radial electric field is controlled by a biased ring-shaped electrode. The dust particles are spun out and removed from the plasma due to poloidal ion drag force, even when the inward electric force on the dust particles is larger than the gravitational force. This indicates the possibility of using a new method to remove the dust particles from the processing plasma. On the other hand, in order to sustain the dust particles in the plasma, the effects of this poloidal ion flow should be substantially reduced by the friction between the dust particles and neutral gas.