C-axis oriented AIN thin films on silicon prepared by ultrahigh vacuum evaporation of Al combined with post-nitridation

  • Ji Po Huang
  • , Lian Wei Wang
  • , Qin Wo Shen
  • , Jian Xia Cao
  • , Ru Shan Ni
  • , Cheng Lu Lin

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A new techiniquc for the preparation of AIN thin films by ultrahigh vacuum electron beam evaporation of Al followed by nitridation is reported and by using this method c-axis oriented A1N thin films have been successfully grown on Si(111) substrates. X-ray diffraction, Fourier transform infrared spectroscopy, x-ray photoelection spectroscopy and cross-sectional transmission electron microscope were employed to characterize A1N films. Temperature of nitridation was found to play an important role in the formation of A1N film. By post-nitridation of as-deposited film at 1000°C for 1h in N2, the crystallinc A1N film with (002) orientation has been obtained.

Original languageEnglish
Pages (from-to)732-733
Number of pages2
JournalChinese Physics Letters
Volume15
Issue number10
DOIs
StatePublished - 1998
Externally publishedYes

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