An XPS Study of the Effects of CF4 Plasmas on Gold Surfaces
Abstract:X-ray photoelectron spectroscopy has been employed to study the effect of CF4 rf plasmas on gold surfaces. The data indicate that the CF4 plasma converts the inert gold surface into a chemically active surface composed of gold, gold oxide, and gold fluoride. Upon exposure to air, the gold fluoride is hydrolyzed. The modified surface actively adsorbs water. The significance of the results is discussed in terms of micro-electronic reliability considerations.
Document Type: Research Article
Affiliations: Department of Chemistry, University of South Florida, Tampa, Florida 33620
Publication date: September 1, 1985
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