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Diffusive Transport in Quasi-2D and Quasi-1D Electron Systems

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Abstract:

Quantum-confined semiconductor structures are the cornerstone of modern-day electronics. Spatial confinement in these structures leads to formation of discrete low-dimensional subbands. At room temperature, carriers transfer among different states due to efficient scattering with phonons, charged impurities, surface roughness and other electrons, so transport is scattering-limited (diffusive) and well described by the Boltzmann transport equation. In this review, we present the theoretical framework used for the description and simulation of diffusive electron transport in quasi-two-dimensional and quasi-one-dimensional semiconductor structures. Transport in silicon MOSFETs and nanowires is presented in detail.

Keywords: 2DEG; BOLTZMANN TRANSPORT EQUATION; CONFINED PHONONS; DIFFUSIVE TRANSPORT; MONTE CARLO SIMULATION; NANOSTRUCTURES; NANOWIRES; QUANTUM CONFINEMENT; SCATTERING; SINW

Document Type: Review Article

DOI: https://doi.org/10.1166/jctn.2009.1240

Publication date: 2009-08-01

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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