Explicit Analytical Charge and Capacitance Models of Undoped Double-Gate MOSFETs

An analytical, explicit, and continuous-charge model for undoped symmetrical double-gate (DG) MOSFETs is presented. This charge model allows obtaining analytical expressions of all total capacitances. The model is based on a unified-charge-control model derived from Poisson's equation and is va...

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Veröffentlicht in:IEEE transactions on electron devices 2007-07, Vol.54 (7), p.1718-1724
Hauptverfasser: Moldovan, O., Jimenez, D., Guitart, J.R., Chaves, F.A., Iniguez, B.
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container_end_page 1724
container_issue 7
container_start_page 1718
container_title IEEE transactions on electron devices
container_volume 54
creator Moldovan, O.
Jimenez, D.
Guitart, J.R.
Chaves, F.A.
Iniguez, B.
description An analytical, explicit, and continuous-charge model for undoped symmetrical double-gate (DG) MOSFETs is presented. This charge model allows obtaining analytical expressions of all total capacitances. The model is based on a unified-charge-control model derived from Poisson's equation and is valid from below to well above threshold, showing a smooth transition between the different regimes. The drain current, charge, and capacitances are written as continuous explicit functions of the applied bias. We obtained very good agreement between the calculated capacitance characteristics and 2-D numerical device simulations, for different silicon film thicknesses.
doi_str_mv 10.1109/TED.2007.899402
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subjects Applied sciences
Capacitance
Charge
Compact device modeling
Devices
Double-gate (DG) MOSFET
Drains
Electronics
Exact sciences and technology
intrinsic capacitances
Mathematical analysis
Mathematical models
MOSFETs
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Silicon films
Transistors
title Explicit Analytical Charge and Capacitance Models of Undoped Double-Gate MOSFETs
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