Abstract
This brief investigates the influence of source and drain junction depth on the short-channel effect (SCE) in highly scaled MOSFETs. It is shown using two-dimensional finite-element device simulation that the influence of source and drain junction depth on SCE can be represented by an additional of a pre-exponential term to the established scale-length model. For source and drain junction depths that are deeper than the MOSFET's gate depletion-layer width, SCE is shown with this pre-exponential term to be insensitive to junction depth. Conversely, for source and drain junction depths that are shallower than the MOSFET's gate depletion-layer width, SCE is shown to improve with decreasing junction depth. Finally, the influence on off-current of source and drain junction depths is given
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