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On the nature of the silicon activation efficiency in liquid-encapsulated Czochralski-grown GaAs by photoluminescence

  • A. Bindal
  • , K. L. Wang
  • , S. J. Chang
  • , M. A. Kallel
  • , O. M. Stafsudd

Research output: Contribution to journalArticlepeer-review

Abstract

The shallow defect evolution in Si-implanted and -annealed liquid-encapsulated Czochralski-grown GaAs is investigated by photoluminescence experiments. Three major emission lines are found. The first emission line located at 1.492 eV corresponds to the SiGa-CAs radiative recombination. The remaining two lines located at 1.44 and 1.40 eV are shown to correspond to GaI-SiAs and VAs-SiAs radiative recombinations, respectively. The effects of these three shallow centers on the silicon activation efficiency are discussed with respect to different annealing and implantation conditions.

Original languageEnglish
Pages (from-to)1246-1252
Number of pages7
JournalJournal of Applied Physics
Volume65
Issue number3
DOIs
Publication statusPublished - 1989

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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