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Low temperature chemical vapor deposition of titanium dioxide thin films using tetranitratotitanium (IV)

  • D. C. Gilmer
  • , W. L. Gladfelter
  • , D. G. Colombo
  • , C. J. Taylor
  • , J. Roberts
  • , S. A. Campbell
  • , H. S. Kim
  • , G. D. Wilk
  • , M. A. Gribelyuk

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Crystalline titanium dioxide films were deposited on silicon (100) at temperatures as low as 184 °C using the volatile molecular precursor, tetranitratotitanium(IV). Deposition rates in a low pressure chemical vapor deposition (LPCVD) reactor operated at 230 - 500 °C with a precursor vessel temperature at 22 °C were typically 4 nm/min. The effect of deposition temperature and annealing conditions on morphology are shown. Following post-deposition annealing in oxygen and hydrogen, Pt/TiO2/Si/Al capacitors were fabricated and exhibited dielectric constants in the range of 19 - 30 and leakage current densities as low as 10-8 Amp/cm2.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposium - Proceedings
PublisherMRS
Pages45-50
Number of pages6
Volume495
StatePublished - 1998
EventProceedings of the 1997 MRS Fall Meeting - Boston, MA, USA
Duration: Nov 30 1997Dec 4 1997

Other

OtherProceedings of the 1997 MRS Fall Meeting
CityBoston, MA, USA
Period11/30/9712/4/97

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