DocumentCode
268907
Title
Flexible over-moded resonators based on P(VDF-TrFE) thin films with very high temperature coefficient
Author
Van Son Nguyen ; Badie, Laurent ; SeÌneÌchault, Emmanuel ; Blampain, E. ; Vincent, B. ; Venet, Cecile ; Elmazria, O. ; Rouxel, Didier
Author_Institution
Fac. des Sci. et Tech., Univ. de Lorraine, Vandoeuvre-lès-Nancy, France
Volume
60
Issue
10
fYear
2013
fDate
Oct. 2013
Firstpage
2039
Lastpage
2043
Abstract
This work presents for the first time a flexible over-moded resonator (OMR) based on P(VDF-TrFE) thin films. The devices were manufactured on commercially available elastic substrate with inkjet-printed electrodes. The sensing copolymer films used in the devices were polarized by the corona method after electrode deposition. The main performance parameters of the component were then determined. The manufactured OMRs on P(VDF-TrFE) exhibited a linear variation of frequency versus temperature and a very large value of temperature coefficient of frequency (TCF > 1600 ppm/°C). These properties suggest a great potential for using such components as low-cost and high-precision temperature sensors. The electromechanical coupling coefficient and the quality factor of the resonator were also characterized versus temperature.
Keywords
dielectric resonators; piezoelectric thin films; piezoelectricity; polymer blends; polymer films; P(VDF-TrFE) thin films; corona method; elastic substrate; electrode deposition; electromechanical coupling coefficient; flexible over-moded resonators; inkjet-printed electrodes; quality factor; sensing copolymer films; temperature coefficient of frequency; temperature sensors; Electrodes; Materials; Positron emission tomography; Resonant frequency; Temperature; Temperature sensors;
fLanguage
English
Journal_Title
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
Publisher
ieee
ISSN
0885-3010
Type
jour
DOI
10.1109/TUFFC.2013.2794
Filename
6604535
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