Properties of SnO2 coatings fabricated on polymer substrates using filtered vacuum arc deposition

V. N. Zhitomirsky*, T. David, R. L. Boxman, S. Goldsmith, A. Verdyan, Ya M. Soifer, L. Rapoport

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Transparent conducting SnO2 coatings of 0.16-1.2 μm thickness were deposited on polymer substrates using filtered vacuum arc deposition. Mechanical and electro-optical properties of the coatings were investigated. Surface topography, nano-indentation hardness and nano-scratch resistance were studied using an atomic force microscope equipped with a diamond pyramid tip. Electrical sheet conductivity and optical transmission were studied as a function of the coating thickness. The surface nanohardness of SnO2 coated polymer samples was larger by at least an order of magnitude than that of the bare polymer surfaces. Transparent and conducting SnO2 coatings reduced the light-load scratch wear rate of the polymer substrates by two to three orders of magnitude, while providing optical transmission and electrical conductivity. This combination of properties would be useful for fabricating transparent scratch resistant coatings for vehicle and aircraft windows.

Original languageEnglish
Pages (from-to)187-194
Number of pages8
JournalThin Solid Films
Issue number1-2
StatePublished - 1 Dec 2005


  • Physical vapor deposition
  • Scratch resistance
  • Tin oxide
  • Transparent conducting coating


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