Magnetron sputtering growth and characterization of single crystal ZnO thin films on Si using GaN interlayer

Il Soo Kim, Tae Hwan Kim, Sang Sub Kim, Cheul Ro Lee, Byung Teak Lee

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10 Scopus citations

Abstract

It is demonstrated that single crystal ZnO films can be grown on Si (1 1 1) substrates using a GaN (0 0 0 1) interlayer, as confirmed by X-ray diffraction (XRD) and transmission electron microscopy observation. Photoluminescence spectra of the ZnO films exhibited sharp and intense emission with line width of 155 meV at room temperature and 29 meV at 12 K. High resolution XRD measurement showed (0 0 0 4) peak with full-width at half-maximum value of about 230 arcsec. These results are comparable with previously reported values from ZnO/Al2O3 films grown by metalorganic chemical vapor deposition and represent significant improvement over the characteristics of the ZnO films directly grown on Si.

Original languageEnglish
Pages (from-to)295-298
Number of pages4
JournalJournal of Crystal Growth
Volume299
Issue number2
DOIs
StatePublished - 15 Feb 2007
Externally publishedYes

Keywords

  • A3. Sputter deposition
  • B1. GaN buffer
  • B1. ZnO

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