Transduction mechanisms in SAW gas sensors
- 13 February 1986
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 22 (4) , 184-185
- https://doi.org/10.1049/el:19860128
Abstract
Experimental results are presented for a surface-acoustic-wave gas sensor. At 150°C a pronounced selectivity towards NO2 was observed. The transduction of a chemical signal (concentration) into a physical signal (SAW phase velocity) is discussed in terms of the effect of mass and conductivity changes on sensor response.Keywords
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