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The fixed‐point iteration method is extended to the finite element solution of the nonlinear Poisson equation of semiconductor devices. The boundary value problem is derived and shown to have a global convergence. In addition, using explicit formulas to update the value of the electrostatic potential, the solution of simultaneous equations is avoided. A numerical example of a metal‐oxide‐semiconductor field‐effect transistor at thermal equilibrium is presented.
Published in:
Journal of Applied Physics
(Volume:74
,
Issue:
10
)
Date of Publication: Nov 1993