Deposition of silicon nitride thin films by reaction of SiH4 in a nitrogen post-discharge |
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Authors: | J. L. Jauberteau D. Conte M. I. Baraton P. Quintard J. Aubreton A. Catherinot |
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Affiliation: | (1) U.A. 320 CNRS, Faculté des Sciences de Limoges, 123, Avenue Albert Thomas, 87060 Limoges Cedex, France |
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Abstract: | Silicon nitride thin films are deposited on silicon wafers at room temperature when silane gas is injected in a nitrogen flowing post-discharge. Reactive processes involving siane molecules and long-lifetime nitrogen species are studied, pointing out the nonreactivity of the N2(A3u+) metastable state, the low contribution of the vibrationally excited nitrogen ground-state molecules, and the high reactivity of N(4S) atoms. Spectroscopic observations performed in the reaction region are correlated with thin-film characteristics. |
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Keywords: | Silane-nitrogen reactions flowing post-discharge silicon nitride thin-film deposition |
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