Ion Transport and Ion-Molecule Reactions of Negative Ions in Sf6

  • Yoshiharu Nakamura


A double shutter drift tube which is practically the same as used in measurements of electron swarm parameters in gases is used to investigate negative ion transports in SF6. An explanation is given to the signal obtained by the drift tube in SF6, and reduced mobility and longitudinal diffusion coefficient of negative ions (F, SF5 , and SF6 ) and electron drift velocity are determined. Results of the measurements are given for an E/N range from 20 to 600 Td for negative ions and from 280 to 700 Td for electrons (1 Td = 10−17V−cm2.)


Drift Tube Pulse Height Electron Drift Velocity Reaction Coefficient Drift Space 
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Copyright information

© Plenum Press, New York 1990

Authors and Affiliations

  • Yoshiharu Nakamura
    • 1
  1. 1.Faculty of Science and TechnologyKeio UniversityYokohamaJapan

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