Modeling of SiGe devices using a self-consistent full-band device simulator which properly takes into account quantum-mechanical size quantization and mobility enhancement

Dragica Vasileska, S. Krishnan, M. V. Fischetti

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We examine performance enhancement off-channel SiGe devices using our recently developed particle-based device simulator that takes into account self-consistently the bandstructure and the quantum mechanical space-quantization and mobility enhancement (due to the smaller 2D density of states function) effects, We find surface roughness to be the dominant factor for the bad performance of p-channel SiGe devices when compared to conventional bulk p-MOSFETs at high bias conditions, At low and moderate bias conditions, when surface-roughness does not dominate the carrier transport, we observe performance enhancement in the operation of f-channel SiGe MOSFETs versus their conventional counter-parts. copyright The Electrochemical Society.

Original languageEnglish (US)
Title of host publicationECS Transactions
Pages55-66
Number of pages12
Volume3
Edition7
DOIs
StatePublished - 2006
EventSiGe and Ge: Materials, Processing, and Devices - 210th Electrochemical Society Meeting - Cancun, Mexico
Duration: Oct 29 2006Nov 3 2006

Other

OtherSiGe and Ge: Materials, Processing, and Devices - 210th Electrochemical Society Meeting
CountryMexico
CityCancun
Period10/29/0611/3/06

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Simulators
Surface roughness
Carrier transport

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Modeling of SiGe devices using a self-consistent full-band device simulator which properly takes into account quantum-mechanical size quantization and mobility enhancement. / Vasileska, Dragica; Krishnan, S.; Fischetti, M. V.

ECS Transactions. Vol. 3 7. ed. 2006. p. 55-66.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Vasileska, D, Krishnan, S & Fischetti, MV 2006, Modeling of SiGe devices using a self-consistent full-band device simulator which properly takes into account quantum-mechanical size quantization and mobility enhancement. in ECS Transactions. 7 edn, vol. 3, pp. 55-66, SiGe and Ge: Materials, Processing, and Devices - 210th Electrochemical Society Meeting, Cancun, Mexico, 10/29/06. https://doi.org/10.1149/1.2355794
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