Describes research into methods for treating solid state gas sensors to create a multisensor system with both multi‐gas analysis and self‐diagnostic capabilities. Outlines the three main categories of solid state gas sensors and then discusses the need for a systematic approach to semiconductor sensor design and the phenomenology of new sensor materials. Concludes that theoretically a self‐diagnostic sensor array device can be conceived for utilisation in gas sensing.
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McGeehin et al. (1994) studied this question.
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