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Evidence for a New Class of Defects in Highly n-Doped Si: Donor-Pair-Vacancy-Interstitial Complexes

  • P. M. Voyles
  • , D. J. Chadi
  • , P. H. Citrin
  • , D. A. Muller
  • , J. L. Grazul
  • , P. A. Northrup
  • , H. J.L. Gossmann
  • Nokia
  • University of Wisconsin-Madison
  • NEC Corporation
  • Broadcom Corporation

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

A new class of defects in highly n-doped Si was studied. Electron channeling experiments showed that in highly n-type Si grown at low temperatures, the primary electrically deactivating defect cannot belong to either recently proposed class of donor pairs or the widely accepted class of donor-vacancy clusters. A new class of defects consisting of two dopant donor atoms near a displaced Si atom, which formed a vacancy-interstitial pair was suggested by first-principles calculations.

Original languageEnglish
Pages (from-to)1255051-1255054
Number of pages4
JournalPhysical Review Letters
Volume91
Issue number12
StatePublished - Sep 19 2003

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