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Synthesis of epitaxial Pt on (100)Si using TiN buffer layer by pulsed laser deposition

  • P. Tiwari
  • , X. D. Wu
  • , S. R. Foltyn
  • , Q. X. Jia
  • , I. H. Campbell
  • , P. A. Arendt
  • , R. E. Muenchausen
  • , D. E. Peterson
  • , T. E. Mitchell
  • , J. Narayan

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

High-quality epitaxial Pt films were deposited by pulsed laser deposition on (100)Si using TiN as a buffer layer. The films were (100) oriented normal to the substrate surface with a high degree of in-plane orientation with respect to the major axes of the substrate and buffer layer. An ion beam minimum channeling yield of 39% was obtained for the Pt films, indicating high crystallinity. High-resolution transmission electron microscopy results showed that interfaces between substrate/film and film/film were quite smooth and no perceptible interdiffusion was observed. The epitaxial TiN layer effectively acts as a barrier to impede metal-substrate reaction and helps in good adhesion of the Pt films on (100)Si. This structure is suitable for epitaxial growth of oxide films on Si with an underlying conductive electrode.

Original languageEnglish
Pages (from-to)2693-2695
Number of pages3
JournalApplied Physics Letters
Volume65
Issue number21
DOIs
StatePublished - 1994

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