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Model study of the local vibration center related to EL2 levels in GaAs

  • Xuefu Zhong*
  • , Desheng Jiang
  • , Weikun Ge
  • , Chunying Song
  • *Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

Abstract

A tentative explanation is given for a recently reported local vibrational mode induced infrared absorption which is related to EL2 centers in GaAs. Interstitial (or off-center substitutional) oxygen is suggested to be responsible for these vibration modes. Taking lattice relaxation into account, a simple model based on the two-center bond theory is proposed and evaluated. The adequacy of this model strongly implies a relationship of EL2 centers in the measured samples with oxygen.

Original languageEnglish
Pages (from-to)628-630
Number of pages3
JournalApplied Physics Letters
Volume52
Issue number8
DOIs
Publication statusPublished - 1988
Externally publishedYes

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