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Chinese Physics, 2005, Vol. 14(7): 1413-1417    DOI: 10.1088/1009-1963/14/7/025
PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES Prev   Next  

A new method of measuring the spatial distribution of depletion fraction of silane plasma by mass spectrometer

Wang Zhao-Kui (王照奎), Lin Kui-Xun (林揆训), Lin Xuan-Ying (林璇英), Qiu Gui-Ming (邱桂明), Zhu Zu-Song (祝祖送)
Department of Physics, Shantou University, Shantou 515063,China
Abstract  A newly established movable sampling apparatus of mass spectrometer is used to measure the spatial distribution of depletion fraction of silane plasma.A straight-line fit method of deducing the depletion fraction of silane is proposed. Theoretical analysis and test results demonstrate that the proposed new method is universal and more accurate than the existing one.There exist a largest peak near the middle of two electrodes and two peaks near the electrodes in the spatial distribution of silane depletion fraction, which are related to the distribution of electric field and the silane plasma sheaths.
Keywords:  movable sampling apparatus of mass spectrometer      spatial distribution      straight-line fit      depletion fraction of radio frequency (rf) glow discharge  
Received:  15 July 2004      Revised:  15 March 2005      Accepted manuscript online: 
PACS:  52.40.Kh (Plasma sheaths)  
  52.80.Hc (Glow; corona)  
Fund: Project supported by the State Key Development Program for Basic Research of China (Grant No G2000028208).

Cite this article: 

Wang Zhao-Kui (王照奎), Lin Kui-Xun (林揆训), Lin Xuan-Ying (林璇英), Qiu Gui-Ming (邱桂明), Zhu Zu-Song (祝祖送) A new method of measuring the spatial distribution of depletion fraction of silane plasma by mass spectrometer 2005 Chinese Physics 14 1413

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