Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
79 (1996), S. 2270-2274
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The secondary electron emission coefficient is evaluated for electron impact on anode, cathode, and electrically floating plasma-facing surfaces. Two energy and angle distribution functions for electron impact on a plasma-facing surface are derived and different relations for the secondary electron emission coefficient which functionally depend on energy and angle are integrated over the distributions. One integration is in closed form and provides a parametric expression for the secondary electron emission coefficient of a plasma-facing surface. The other integrations are carried out numerically. Evaluation of the secondary electron emission coefficient for a variety of commonly-used plasma-facing materials shows that its value is near or above unity over a significant range of plasma temperatures. © 1996 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.361151
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