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|Title:||Drain current model including velocity saturation for symmetric double-gate MOSFETs|
RAMGOPAL RAO, V
|Citation:||IEEE Transactions on Electron Devices 55(8), 2173-80|
|Abstract:||A drain current model is developed for a symmetrically driven undoped (or lightly doped) symmetric double-gate MOSFET (SDGFET) under the drift-diffusion transport mechanism, with velocity saturation effects being included as an integral part of the model derivation. Velocity saturation effects are modeled by using the Caughey-Thomas engineering model with exponent n = 2. Id-Vd, Id-Vg, gm -Vg, and gDS-Vd comparisons are made with 2-D device simulation results, and a very good match is found all the way from subthreshold to strong inversion. Gummel symmetry compliance is also shown.|
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