Quantum-Mechanical Analytical Modeling of Threshold Voltage in Long-Channel Double-Gate MOSFET with Symmetric and Asymmetric Gates

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A quantum-mechanical fully analytical model of the threshold voltage for long-channel Double-Gate MOSFETs has been developed. This model is based on analytical solutions for the decoupled Poisson and Schrödinger equations in the silicon film. The model is completely validated using a full 2D quantum-mechanical numerical simulation code. Using this original model, a detailed comparison between symmetric and asymmetric Double-Gate architectures has been performed in terms of threshold voltage dependence with film thickness and doping level.

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Journal: TechConnect Briefs
Volume: 2, Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 2
Published: March 7, 2004
Pages: 163 - 166
Industry sector: Sensors, MEMS, Electronics
Topic: Compact Modeling
ISBN: 0-9728422-8-4