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Gate-All-Around (GAA) nanowire architecture is aimed to represent the ultimate integration for MOSFET up to dimensions of several nanometers. Very thin nanowires (<; 5 nm) are expected to be used in these ultimate devices, for which a new physical phenomenon emerges: the modification of the band structure compared to bulk silicon, which changes the conduction properties and affects the device characteristics...
We present here a new unified analytic model for ballistic and quasi-ballistic transport. Starting from the classical approach of Natori, we enhanced it by taking into account degeneracy and adding consistently an original modelling of short channel effect (SCE) and drain induced barrier lowering (DIBL) by including quantum confinement. Our model has been validated by comparisons with TCAD simulations...
This paper presents an analytical modeling of ballistic and quasi-ballistic transport, implemented in Verilog-A environment and used for circuit simulation. Our model is based on the Lundstrompsilas approach and uses an expression of the backscattering coefficient given by the flux method. The model takes also into account short channel effects and tales into account the effects of different scattering...
A drift-diffusion-like formulation for including ballistic and quasi-ballistic transport in the simulation of double-gate MOSFETs has been implemented in a technology computer-aided design (TCAD) simulator. This model is based on a description of the quasi-ballistic mobility through a dynamical description of the mean free path. The model has been validated by comparison with experimental data and...
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