Abstract
In this paper, we simulate quantum transport in trigate silicon-on-insulator (SOI) nanowire field-effect transistors using 3-D numerical simulations. The formation of 1-D subbands in SOI nanowire, which results in the oscillation of the current and transconductance characteristic at low temperatures, has been studied in detail. These oscillations correspond to the filling of energy subbands by electrons as the gate voltage is increased, thereby enabling the experimental evaluation of the subband energy spacing in nanowire structures (subband spectroscopy).
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