Evidence of Trapping and Electrothermal Effects in Vertical Junctionless Nanowire Transistors
Résumé
Understanding trap dynamics and formation of localized temperature hot-spots due to self-heating is crucial for the design optimization of emerging vertical junctionless nanowire transistors (VNWFET). This works investigates the operation of an 18nm VNWFET technology for the first time leveraging pulsed current-voltage measurements. Results indicate increased trap activity as well as electrothermal effects with increasing pulse width. Multiphysics simulations are then used to provide a deeper insight into the nanoscale transport of the VNWFETs.
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