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In this paper supersensitive gas sensors incorporating single SnO2-nanowires integrated on Si for the detection of gases relevant to environmental and safety issues are presented. The SnO2-nanowires are produced by a spray pyrolysis process followed by subsequent tempering, which results in growth of single-crystalline SnO2-nanowires with diameters of 30 - 250 nm and lengths up to several 100 mum...
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