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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Fritze, H. Schmidtchen, S. Schulz, M. Richter, D. |
| Copyright Year | 2011 |
| Description | Author affiliation: Institute of Energy Research and Physical Technologies - Clausthal University of Technology, Goslar, Germany (Fritze, H.; Schmidtchen, S.; Schulz, M.; Richter, D.) |
| Abstract | The objective of the work is to review the high-temperature properties, the operation limits and the sensor principles related to high-temperature stable langasite (La, LGS) resonators. The electromechanical properties of such resonators including mechanical stiffness, piezoelectric and dielectric constant, effective viscosity and electrical conductivity are determined up to 900 °C and described using a one-dimensional physical model. Insights from defect chemical models are correlated with the electromechanical properties of the resonators. Further, application examples are given which demonstrate the capabilities of high-temperature stable piezoelectric resonators. For example, the simultaneous determination of mechanical and electrical properties of thin sensor films by resonant sensors enables the detection of CO in hydrogen-containing atmospheres. Further, the ability of langasite resonators to detect soot at elevated temperatures is demonstrated. |
| Starting Page | 600 |
| Ending Page | 605 |
| File Size | 1045251 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424492909 |
| ISSN | 19300395 |
| e-ISBN | 9781424492893 |
| DOI | 10.1109/ICSENS.2011.6126905 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-10-28 |
| Publisher Place | Ireland |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Impurities Platinum |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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