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Piezoelectric accelerometers for ultrahigh temperature application

Shujun Zhang, Xiaoning Jiang, Michael Lapsley, Paul Moses, Thomas R. Shrout

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

High temperature sensors are of major importance to aerospace and energy related industries. In this letter, a high temperature monolithic compression-mode piezoelectric accelerometer was fabricated using YCa 4 O (BO3) 3 (YCOB) single crystals. The performance of the sensor was tested as function of temperature up to 1000 °C and over a frequency range of 100-600 Hz. The accelerometer prototype was found to possess sensitivity of 2.4±0.4 pC/g, across the measured temperature and frequency range, indicating a low temperature coefficient. Furthermore, the sensor exhibited good stability over an extended dwell time at 900 °C, demonstrating that YCOB piezoelectric accelerometers are promising candidates for high temperature sensing applications. © 2010 American Institute of Physics.
Original languageEnglish
Article number013506
JournalApplied Physics Letters
Volume96
Issue number1
DOIs
Publication statusPublished - 2010
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.

Funding

This work was supported by NASA under Grant No. NNX09CC63P.

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