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Defect ordering in epitaxial α-GaN(0001)

  • H. Z. Xiao
  • , N. E. Lee
  • , R. C. Powell
  • , Z. Ma
  • , L. J. Chou
  • , L. H. Allen
  • , J. E. Greene
  • , A. Rockett

Research output: Contribution to journalArticlepeer-review

Abstract

The microstructure of nominally undoped epitaxial wurtzite-structure α-GaN films, grown by gas-source molecular-beam epitaxy, plasma-assisted molecular-beam epitaxy, and metalorganic chemical-vapor deposition, has been investigated by transmission electron microscopy (TEM) and high-resolution TEM. The results show that undoped α-GaN films have an ordered point-defect structure. A model of this defect-ordered microstructure, based upon a comparison between experimental results and computer simulations, is proposed.

Original languageEnglish (US)
Pages (from-to)8195-8197
Number of pages3
JournalJournal of Applied Physics
Volume76
Issue number12
DOIs
StatePublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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