M.R. Wordeman, A.M. Schweighart, et al.
VLSI Technology 1983
The spreading resistance due to current crowding at the end-points of an FET channel is investigated. An analytic expression is derived giving this resistance as function of a few parameters. TWO-dimensional numerical simulations, using finite-element techniques, confirm the accuracy of the simple analytical approach. For short channel devices the current crowding effect is found to give a non-negligible contribution to the total source resistance. In order to optimize the FET performance, the geometry and conductivity of the source/drain regions must be carefully designed, trading off short channel effect and transconductance degradation. Copyright © 1983 by The Institute of Electrical and Electronics Engineers, Inc.
M.R. Wordeman, A.M. Schweighart, et al.
VLSI Technology 1983
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Surface Science
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IEEE T-ED
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