A global continuous channel potential solution for double-gate MOSFETs

A global continuous channel potential solution is proposed for the modeling of symmetric double-gate (DG) MOSFETs. To obtain the channel potential, from accumulation to inversion regions, 1-D Poissonpsilas equation in the silicon film of the DG MOSFETs is solved physically. The extensive comparisons between the calculated results and numerical simulations illustrate that the analytical solution is not only accurate and continuous in the whole operation regime of DG MOSFETs, but also valid to various doping concentrations and geometrical sizes, without any fitting parameter.