Threshold voltage variation of nanoscale strained Si/Si 1-xGex MOSFETs in the presence of punch through effect

Kang Engsiew, Sohail Anwar, Razali Ismail

Research output: Contribution to journalArticle

Abstract

In this paper, the punch through effect on the shift of the threshold voltage of nanoscale strained Si/Si1-xGex MOSFET is proposed. Our model includes the impact of drain voltage, source/drain junction depth, germanium content, channel length, and doping concentration. The goal of this model is to investigate the punch through effect on the threshold voltage variation compared to the short channel effects approach, particularly with an increased drain voltage. Threshold voltage lowering due to the short channel effects and carrier quantization of quantum effects are also included. The developed analytical threshold voltage model demonstrated a good accuracy when compared to the published data.

Original languageEnglish (US)
Pages (from-to)2366-2370
Number of pages5
JournalJournal of Computational and Theoretical Nanoscience
Volume10
Issue number10
DOIs
StatePublished - Oct 1 2013

Fingerprint

punches
MOSFET
Threshold voltage
threshold voltage
field effect transistors
Voltage
Germanium
Electric potential
electric potential
Quantum Effects
Doping (additives)
germanium
Quantization
Model
shift

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Computational Mathematics
  • Electrical and Electronic Engineering

Cite this

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abstract = "In this paper, the punch through effect on the shift of the threshold voltage of nanoscale strained Si/Si1-xGex MOSFET is proposed. Our model includes the impact of drain voltage, source/drain junction depth, germanium content, channel length, and doping concentration. The goal of this model is to investigate the punch through effect on the threshold voltage variation compared to the short channel effects approach, particularly with an increased drain voltage. Threshold voltage lowering due to the short channel effects and carrier quantization of quantum effects are also included. The developed analytical threshold voltage model demonstrated a good accuracy when compared to the published data.",
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Threshold voltage variation of nanoscale strained Si/Si 1-xGex MOSFETs in the presence of punch through effect. / Engsiew, Kang; Anwar, Sohail; Ismail, Razali.

In: Journal of Computational and Theoretical Nanoscience, Vol. 10, No. 10, 01.10.2013, p. 2366-2370.

Research output: Contribution to journalArticle

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