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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2013.2804
|2 doi
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|a pubmed24n0771.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Nicolay, Pascal
|e verfasserin
|4 aut
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1 |
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|a A numerical method to derive accurate temperature coefficients of material constants from high-temperature SAW measurements
|b application to langasite
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 06.05.2014
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|a Date Revised 01.10.2013
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The design of wireless SAW sensors for high-temperature applications requires accurate knowledge of the constitutive materials' physical properties in the desired temperature range. In particular, it is crucial to use reliable temperature coefficients of the stiffness, piezoelectric, dielectric, and expansion constants of the propagation medium to achieve correct simulations of the considered devices. Currently, the best-suited piezoelectric material for high-temperature SAW applications is langasite (LGS). Unfortunately, the available coefficients do not allow for precise prediction of the temperature dependence of LGS-based SAW devices above 300°C. A novel method, based on a simulated annealing algorithm coupled with a Rayleigh wave simulation program, was developed to find optimal LGS temperature coefficients. This approach has proven to yield accurate results up to at least 800°C
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 700 |
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|a Aubert, Thierry
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 60(2013), 10 vom: 14. Okt., Seite 2137-41
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:60
|g year:2013
|g number:10
|g day:14
|g month:10
|g pages:2137-41
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|u http://dx.doi.org/10.1109/TUFFC.2013.2804
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|h 2137-41
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