LPE growth and characterization of mid-infrared InAs0.85Sb 0.15 film on InAs substrate

  • Q. W. Wang
  • , C. H. Sun
  • , S. H. Hu
  • , J. Y. He
  • , J. Wu
  • , X. Chen
  • , H. Y. Deng*
  • , N. Dai
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

High quality InAs0.85Sb0.15 film has been successfully grown on (1 0 0) InAs substrate by liquid phase epitaxy using InAs0.93Sb0.07 buffer layer. The microstructure and morphologies of the film were characterized by high-resolution X-ray diffraction, scanning electronic microscopy, optical microscopy, atomic force microscopy, and high-resolution transmission electron microscopy. These results show that the high quality film with mirror-like surface was obtained. The optical properties were investigated by photoluminescence and the Raman spectra. The peak position of photoluminescence spectrum for the film is about 0.35 eV at 77 K. In addition to the reported single-mode phonon behavior, the local vibration mode associated with Sb atoms was also observed in the Raman spectra.

Original languageEnglish
Pages (from-to)63-67
Number of pages5
JournalJournal of Crystal Growth
Volume327
Issue number1
DOIs
StatePublished - 15 Jul 2011
Externally publishedYes

Keywords

  • A1. X-ray diffraction
  • A3. Liquid phase epitaxy
  • B2. Semiconducting IIIV materials
  • B3. Infrared devices

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