Article
Theoretical transient currents from two‐component unipolar space‐charge swarms in fields in media
Journal of Applied Physics
(1988)
Abstract
Using an arbitrary initial unipolar space‐charge distribution consisting of two species of charge carriers of different but constant mobilities in a medium, relations for the electric fields and charge‐carrier densities are derived as functions of positions and time. The highly nonlinear, one‐dimensional equations, which are derived for swarms of charge carriers between parallel plane electrodes with a fixed potential difference, include the effects of the space‐charge fields. A general method is outlined which, in principle, can be used to generate a second order differential equation whose solution predicts the time‐dependent current caused by the drifting space‐charge swarm. The general equations are applied to the special case where the initial space‐charge distributions are uniform in a solid or fluid medium. Although the resulting differential equation is complicated, the equation is in a form such that its solutions could be computer generated.
Disciplines
Publication Date
October 15, 1988
DOI
10.1063/1.341390
Citation Information
Bob L. Henson. "Theoretical transient currents from two‐component unipolar space‐charge swarms in fields in media" Journal of Applied Physics Vol. 64 Iss. 8 (1988) p. 3825 - 3830 Available at: http://works.bepress.com/bob-henson/1/