An examination of the reactive sputtering of silicon nitride on to gallium arsenide |
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Authors: | DC Bartle DC Andrews JD Grange AD Trigg DK Wickenden |
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Affiliation: | GEC Research Laboratories, Hirst Research Centre, Wembley, UK |
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Abstract: | The deposition of silicon nitride thin films by the reactive sputtering of elemental silicon in a nitrogen/argon plasma has been investigated. The composition of the thin films has been examined using infra-red reflectance, X-ray photoelectron and Auger electron spectroscopies and spark source mass spectrometry. Oxygen has been found to be a major contaminant in these sputter deposited films, the oxygen concentration depending on the ambient gas pressure. The use of the silicon oxy-nitride films as annealing encapsulants for the activation of silicon ion implanted semi-insulating gallium arsenide has also been investigated. |
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