Interfacial transition region between silicon and ultrathin plasma Si oxide

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Abstract

A depth profiling of ultrathin plasma Si oxide on Si is presented, based upon a combination of results obtained by Auger electron spectroscopy and low-energy electron loss spectroscopy with argon ion sputtering. The parameters of the interfacial transition region in dependence on oxide thickness and technology conditions are studied. It is concluded that the more abrupt interface is an attribute of a more perfect oxide.

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