Defect formation in III-V fin grown by aspect ratio trapping technique: A first-principles study

  • H. Minari
  • , S. Yoshida
  • , K. Sawada
  • , M. Nakazawa
  • , G. Pourtois
  • , C. Merckling
  • , N. Waldron
  • , W. Guo
  • , S. Jiang
  • , N. Collaert
  • , E. Simoen
  • , D. Lin
  • , M. Caymax

Research output: Chapter in Book/Report/Conference proceedingsChapterpeer-review

Abstract

First-principles investigations are used to study the formation of defects in III-V fins grown using the aspect ratio trapping technique. We show that, during the growth of the III-V, the formation of intermediate chemical states with the precursors leads to the creation of in-diffused Mg/Zn and Al 2O3 sub-oxide. Our prediction is consistent with the experimental observations. These defect formations could be at the origin of the degradation of the electrical reliability of III-V fin-shaped field-effect transistors and the cause of the increasing difficulties met in the fabrication of III-V fin.

Original languageEnglish
Title of host publication2014 IEEE International Reliability Physics Symposium, IRPS 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
PagesPI.2.1-PI.2.5
ISBN (Print)9781479933167
DOIs
Publication statusPublished - 2014
Externally publishedYes
Event52nd IEEE International Reliability Physics Symposium, IRPS 2014 - Waikoloa, HI, United States
Duration: 1 Jun 20145 Jun 2014

Publication series

NameIEEE International Reliability Physics Symposium Proceedings
ISSN (Print)1541-7026

Conference

Conference52nd IEEE International Reliability Physics Symposium, IRPS 2014
Country/TerritoryUnited States
CityWaikoloa, HI
Period1/06/145/06/14

Keywords

  • ab initio study
  • aspect ratio trapping
  • defect in insulators
  • III-V FinFET
  • Mg/Zn doping
  • selective epitaxial growth

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