RTN and PBTI-induced time-dependent variability of replacement metal-gate high-k InGaAs FinFETs

  • J. Franco
  • , B. Kaczer
  • , N. Waldron
  • , Ph J. Roussel
  • , A. Alian
  • , M. A. Pourghaderi
  • , Z. Ji
  • , T. Grasser
  • , T. Kauerauf
  • , S. Sioncke
  • , N. Collaert
  • , A. Thean
  • , G. Groeseneken

Research output: Chapter in Book/Report/Conference proceedingsConference proceedingpeer-review

Abstract

We study RTN and PBTI in nanoscale InGaAs FinFETs fabricated on 300mm Si wafers. The average instability is found to be comparable to planar structures, but significantly larger when compared to Si devices. Although the novel devices follow the same time-dependent variability statistics and the corresponding area-scaling as their Si counterparts, a larger stochastic impact of single defects on the device characteristic is found to induce larger aging-related variance. We ascribe this to a more percolative channel conduction induced by still excessive interface and channel defectivity.

Original languageEnglish
Title of host publication2014 IEEE International Electron Devices Meeting, IEDM 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages20.2.1-20.2.4
EditionFebruary
ISBN (Electronic)9781479980017
DOIs
Publication statusPublished - 20 Feb 2015
Externally publishedYes
Event2014 60th IEEE International Electron Devices Meeting, IEDM 2014 - San Francisco, United States
Duration: 15 Dec 201417 Dec 2014

Publication series

NameTechnical Digest - International Electron Devices Meeting, IEDM
NumberFebruary
Volume2015-February
ISSN (Print)0163-1918

Conference

Conference2014 60th IEEE International Electron Devices Meeting, IEDM 2014
Country/TerritoryUnited States
CitySan Francisco
Period15/12/1417/12/14

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