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Effects of bias voltage on the corrosion resistance of titanium nitride thin films fabricated by dynamic plasma immersion ion implantation-deposition

  • Xiubo Tian
  • , Ricky K.Y. Fu
  • , Paul K. Chu*
  • *Corresponding author for this work
  • City University of Hong Kong

Research output: Contribution to journalArticlepeer-review

Abstract

A systematic investigation on the effects of the bias voltage on the corrosion properties and interfacial structure of TiN films was carried out. It was shown that the bias voltage has a critical influence on the interfacial structure and corrosion resistance of titanium nitride layers fabricated using dynamic PIII-D. It was found that the existence of microdefects in the layer does not change the pitting potential. Auger results show that high-energy ion bombardment in the dynamic PIII-D process alters the chemical structure of the interface. Based on SEM results, the sample treated at the lowest voltage, 8 kV, possesses the best corrosion resistance.

Original languageEnglish
Pages (from-to)160-164
Number of pages5
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume20
Issue number1
DOIs
StatePublished - Jan 2002
Externally publishedYes

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