NDLI: Unusual behavior of uncoated thick-film PZT cantilevers towards fluid phases sensing. Application to water and ethanol detection

Content Provider	IEEE Xplore Digital Library
Author	Lakhmi, R. Lucat, C. Dufour, I. Debeda, H.
Copyright Year	2013
Description	Author affiliation: IMS, Univ. Bordeaux, Talence, France (Lakhmi, R.; Lucat, C.; Dufour, I.; Debeda, H.)
Abstract	Detection of water and ethanol vapors is successfully performed using the 31-longitudinal mode of uncoated Au/PZT/Au cantilevers giving respectively negative and positive resonance frequency shifts. Differences between the cantilever's response to water and ethanol vapors are explained by the higher wettability of gold towards ethanol. High values of frequency shifts cannot be justified by the viscosity and density effect of those gases but by the mass and stiffness effects. The negative shifts obtained with liquid ethanol and water is confirmed by the measurements realized in liquids having different viscosities. Correlations between shifts obtained and mass/stiffness effects related to the porous microstructure of PZT thick-film cantilever are proposed.
Starting Page	1142
Ending Page	1145
File Size	493449
Page Count	4
File Format	PDF
ISBN	9781467359832
ISSN	21641641
DOI	10.1109/Transducers.2013.6626974
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resonant frequency Ethanol Liquids Sensors Viscosity Humidity ethanol PZT cantilever 31-longitudinal mode uncoated chemical sensor humidity
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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