Abstract
Variation of the conductivity of a thin film of tin dioxide (SnO2) in response to a stepwise change in the content of various impurities present in the gas phase has been studied in a broad range of concentrations. The experimental data are interpreted within the framework of the Roginskii-Elovich model of adsorption kinetics. A gas-pressure-independent parameter characterizing the sensor conductivity variation is established. Using the phenomenon under consideration, it is possible to identify adsorbed gas species.
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Original Russian Text © V.V. Simakov, O.V. Yakusheva, A.S. Voroshilov, A.I. Grebennikov, V.V. Kisin, 2006, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2006, Vol. 32, No. 16, pp. 75–83.
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Simakov, V.V., Yakusheva, O.V., Voroshilov, A.S. et al. Variation of the conductivity of a thin film of tin dioxide in response to stepwise gas sampling. Tech. Phys. Lett. 32, 725–728 (2006). https://doi.org/10.1134/S1063785006080256
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DOI: https://doi.org/10.1134/S1063785006080256