Modeling, verification and comparison of short-channel double gate and gate-all-around MOSFETs

S. Kolberg, H. Børli and T.A. Fjeldly

Mathematics and Computers in Simulation (MATCOM), 2008, vol. 79, issue 4, 1107-1115

Abstract: Models for short-channel DG and GAA MOSFETs are presented. In the subthreshold regime, the electrostatics of the device is dominated by the capacitive coupling between the electrodes, which is analyzed by conformal mapping techniques. In the strong inversion regime, the device behavior is dominated by the inversion charge, allowing a 1D analysis. The models are verified by comparison with numerical device simulations. The electrostatic properties of the DG and GAA are compared, demonstrating the superior short-channel behavior of the GAA design.

Keywords: MOSFET; Double gate; Gate-all-around; 2D modeling; Conformal mapping (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:79:y:2008:i:4:p:1107-1115

DOI: 10.1016/j.matcom.2007.09.011

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