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/lp/emerald-publishing/effects-of-scaling-on-the-impact-ionization-and-subthreshold-current-kObYF2MOno
- Publisher
- Emerald Publishing
- Copyright
- Copyright © Emerald Group Publishing Limited
- ISSN
- 1356-5362
- DOI
- 10.1108/13565360810848156
- Publisher site
- See Article on Publisher Site
Abstract
Purpose The purpose of this paper is to analyze the effects of scaling on the impact ionization and subthreshold current in submicron MOSFETs.Designmethodologyapproach The effects of the various scaling techniques on a 100nm device performances and the dependence of subthreshold current parameters on applied scaling technique are analyzed.Findings The results show that as the channel length is scaled down, multiplication factor increases slowly in the higher regime and rises rapidly in the lower regime of channel length. This result also justifies the inclusion of impactionization effect on subthreshold current. The analysis shows that there is insignificant dependence of multiplication factor on the method of scaling. Similar variations in subthreshold current with channel length scaling have been observed in the analytical results for different scaling techniques.Originalityvalue The paper offers insight into the challenges of MOSFET scaling.
Journal
Microelectronics International – Emerald Publishing
Published: Dec 28, 2007