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Article Dans Une Revue Solid-State Electronics Année : 2018

Compact modeling of nanoscale triple-gate junctionless transistors covering drift-diffusion to quasi-ballistic carrier transport

Résumé

In this work, we extend our analytical compact model for nanoscale junctionless triple-gate (JL TG) MOSFETs, capturing carrier transport from drift-diffusion to quasi-ballistic regime. This is based on a simple formulation of the low-field mobility extracted from experimental data using the Y-function method, taking into account the ballistic carrier motion and an increased carrier scattering in process-induced defects near the source/drain regions. The case of a Schottky junction in non-ideal ohmic contact at the drain side was also taken into account by modifying the threshold voltage and ideality factor of the JL transistor. The model is validated with experimental data for n-channel JL TG MOSFETs with channel length varying from 95 down to 25 nm. It can be easily implemented as a compact model for use in Spice circuit simulators.
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Dates et versions

hal-01948027 , version 1 (07-12-2018)

Identifiants

Citer

T.A. Oproglidis, T.A. Karatsori, S. Barraud, G. Ghibaudo, C.A. Dimitriadis. Compact modeling of nanoscale triple-gate junctionless transistors covering drift-diffusion to quasi-ballistic carrier transport. Solid-State Electronics, 2018, 142, pp.25-30. ⟨10.1016/j.sse.2018.01.005⟩. ⟨hal-01948027⟩
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