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Conductance fluctuations in Si nanowires studied from first-principles

Authors :
Riccardo Rurali
Stefano Ossicini
Federico Iori
Source :
Journal of applied physics (online) 116 (2014). doi:10.1063/1.4892673, info:cnr-pdr/source/autori:Iori F.; Ossicini S.; Rurali R./titolo:Conductance fluctuations in Si nanowires studied from first-principles/doi:10.1063%2F1.4892673/rivista:Journal of applied physics (online)/anno:2014/pagina_da:/pagina_a:/intervallo_pagine:/volume:116
Publication Year :
2014
Publisher :
American Institute of Physics, Melville, NY , Stati Uniti d'America, 2014.

Abstract

We study how the variability of the conductance associated with single-dopant configurations affects the overall conductivity of long, realistic ultrathin Si nanowires (NW). We calculate the resistance associated with each single-dopant configuration from density-functional theory (DFT) calculations and we sum them up classically to obtain the resistance of the long wire. This allows to identify limiting factors for the performance of Si NWs based devices. © 2014 AIP Publishing LLC.

Details

Language :
English
Database :
OpenAIRE
Journal :
Journal of applied physics (online) 116 (2014). doi:10.1063/1.4892673, info:cnr-pdr/source/autori:Iori F.; Ossicini S.; Rurali R./titolo:Conductance fluctuations in Si nanowires studied from first-principles/doi:10.1063%2F1.4892673/rivista:Journal of applied physics (online)/anno:2014/pagina_da:/pagina_a:/intervallo_pagine:/volume:116
Accession number :
edsair.doi.dedup.....544e059c805178a86d2f03f7b0c3a0fb
Full Text :
https://doi.org/10.1063/1.4892673