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Analytical and Bioanalytical Chemistry

, Volume 398, Issue 2, pp 1077–1084 | Cite as

Analytical characterization of BCxNy films generated by LPCVD with triethylamine borane

  • Olaf Baake
  • Peter S. HoffmannEmail author
  • Marina L. Kosinova
  • Andreas Klein
  • Beatrix Pollakowski
  • Burkhard Beckhoff
  • Nadeshda I. Fainer
  • Valentina A. Trunova
  • Wolfgang Ensinger
Original Paper

Abstract

Triethylamine borane (TEAB) and He, N2 or NH3 were applied as additional reaction gases in the production of BCxNy layers by low-pressure chemical vapor deposition (LPCVD). These layers were deposited on Si(100) wafers and characterized chemically by X-ray photoelectron spectroscopy (XPS) and synchrotron radiation-based total-reflection X-ray fluorescence analysis combined with near-edge X-ray absorption fine-structure spectroscopy (TXRF-NEXAFS). The composition of the material produced without NH3 was found to be dominated by B–C bonds with the stoichiometric formula B2C3N. B–N bonds with the formula B2CN3 were preferred when NH3 was added. A first attempt was made to compare the results obtained by applying trimethylamine borane and TEAB as single-source precursors.

Keywords

LPCVD Boron carbonitride films XPS TXRF-NEXAFS 

Notes

Acknowledgement

The authors acknowledge the financial support granted by the Deutsche Forschungsgemeinschaft for the research projects “Nanolayer Speciation” (EN 207/22-1, BE 1372/2-1) and “Chemical and Physical Characterization of Nanolayers” (EN 207/22-2, BE 1372/2-2). The authors from the Russian Federation thank RFBR for grant 07-03-91555-NNIO. We are indebted to Dr. E. Maximovski for substantial help with the SEM measurements.

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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • Olaf Baake
    • 1
  • Peter S. Hoffmann
    • 1
    Email author
  • Marina L. Kosinova
    • 3
  • Andreas Klein
    • 1
  • Beatrix Pollakowski
    • 2
  • Burkhard Beckhoff
    • 2
  • Nadeshda I. Fainer
    • 3
  • Valentina A. Trunova
    • 3
  • Wolfgang Ensinger
    • 1
  1. 1.Department of Materials ScienceTechnische Universität DarmstadtDarmstadtGermany
  2. 2.Physikalisch-Technische BundesanstaltBerlinGermany
  3. 3.Nikolaev Institute of Inorganic Chemistry SB RASNovosibirskRussia

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