Abstract

AbstractHere we report our investigations on the initial stages of Cu(OO1) oxidation in dry and moist atmosphere using in situ ultra high vacuum (UHV) transmission electron microscopy (TEM), atomic force microscopy (AFM) and scanning electron microscopy (SEM). Cu20 islands were observed to grow 3-dimensionally into the Cu film as seen through the above mentioned techniques. Further, we discuss our interpretation of the experimental observations that presence of water vapor in the oxidizing atmosphere retards the rate of Cu oxidation and Cu20 shows surprising reduction when exposed to water vapor.

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