“School of Particles And Accelerator”

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Paper   IPM / Particles And Accelerator / 8814
School of Particles and Accelerator
  Title:   Sheath Formation in a Collisional Electronegative Magnetized Discharge
  Author(s): 
1.  K. Yasserian
2.  Morteza Aslaninejad
3.  M. Ghoranneviss
4.  F. M. Aghamir
  Status:   Published
  Journal: J. Phys. D: Appl. Phys.
  Vol.:  41
  Year:  2008
  Pages:   105215
  Supported by:  IPM
  Abstract:
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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