The determination of interface layers by spectroscopic ellipsometry |
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Authors: | J.B. Theeten D.E. Aspnes |
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Affiliation: | Bell Laboratories, Murray Hill, N.J. 07974, U.S.A. |
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Abstract: | Spectroscopic ellipsometry has recently proved to be particularly useful for determining the presence and properties of interface layers between a substrate and a dielectric overlayer. The principles and optimum conditions for measuring these layers are given. Examples discussed include Si3N4 on silicon, SiO2 on silicon and GaAs oxide on GaAs. |
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