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Redistribution and activation of implanted S, Se, Te, Be, Mg, and C in GaN

  • R. G. Wilson
  • , J. M. Zavada
  • , X. A. Cao
  • , R. K. Singh
  • , S. J. Pearton
  • , H. J. Quo
  • , S. J. Pennycook
  • , M. Fu
  • , J. A. Sekhar
  • , V. Scarvepalli
  • , R. J. Shu
  • , J. Han
  • , D. J. Rieger
  • , J. C. Zolper
  • , C. R. Abernathy
  • United States Army Research Office
  • University of Florida
  • Oak Ridge National Laboratory
  • Micropyretics Heaters Intl. Inc.
  • Sandia National Laboratories
  • Office of Naval Research

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

A variety of different possible donor and acceptor impurities have been implanted into GaN and annealed up to 1450°C. S+ and Te+ produce peak electron concentrations ≤5×1018 cm-3, well below that achievable with Si+. Mg produces p-type conductivity, but Be+- and C+ - implanted samples remained n type. No redistribution was observed for any of the implanted species for 1450°C annealing. Much more effective damage removal was achieved for 1400°C annealing of high-dose (5 × 1015 cm-2) Si+ implanted GaN, compared to the more commonly used 1100°C annealing.

Original languageEnglish
Pages (from-to)1226-1229
Number of pages4
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume17
Issue number4
DOIs
StatePublished - 1999
Externally publishedYes

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