Papers by Keyword: Air-Exposure

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Authors: Donald L. Anton, Charles W. James, David A. Tamburello, Jose A. Cortes-Concepcion, Joshua R. Gray, Kyle S. Brinkman
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Authors: Kun Xue, Li Sha Niu, Hui Ji Shi, Ji Wen Liu
Abstract: Sputter deposited SiC films with and without annealing were characterized using X-ray photoelectron spectroscopy (XPS). A complex transition layer, containing silicon oxycarbide (SiCxOy), between the SiO2 layer grown during extended exposure to ambient air or annealing and SiC substrate was investigated. Furthermore, the presence of excessive amorphous carbon was detected in the near-surface region for annealed sample. We justified the differences of composition and chemical bonding in these two oxide layers in terms of different oxidation kinetics involved.
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