“School of Particles And Accelerator”
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| Paper IPM / Particles And Accelerator / 8814 |
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The plasma sheath structure in an electronegative magnetized discharge is
investigated. The profiles of the positive ion density and flux velocity as well as those of the plasma potential and sheath thickness are obtained under the influence of various parameters such as collision
frequency, negative ion concentration and negative ion temperature. In addition, the influences of these parameters on the profiles of the electron and negative ion density are obtained. The results are compared with the electropositive as well as the collisionless electronegative sheath. There is competition between the effects of collisions and the magnetic field, which determines the plasma sheath properties.
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