Semiconducting gas sensors
作者： Werner Hagen , Rainer E. Lambrich , Johannes Lagois
DOI: 10.1007/BFB0107978
关键词: Metal 、 Surface conductivity 、 Orders of magnitude (temperature) 、 Layer (electronics) 、 Desorption 、 Chemical engineering 、 Oxidizing agent 、 Nanotechnology 、 Semiconductor 、 Oxide 、 Chemistry
摘要: The surface conductivity of many metal oxide layers is influenced by the composition ambient air. Small quantities reducing or oxidizing gases can change layer resistance several orders magnitude. reversible adsorption desorption processes at semiconductor surfaces are made selective to different choosing appropriate sensor temperatures, catalysts other additives, and preparation techniques.
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