D5.1 - Noncontacting Determination of the Piezoelectric Coefficient d33 of Lithium Tantalate up to 400 °C
- Event
- SMSI 2025
2025-05-06 - 2025-05-08
Nürnberg - Band
- Lectures
- Chapter
- D5 - Piezoelectric MEMS I
- Author(s)
- H. Wulfmeier, N. Warnecke, D. Kohlmann, H. Fritze - Clausthal University of Technology, Goslar (Germany)
- Pages
- 212 - 213
- DOI
- 10.5162/SMSI2025/D5.1
- ISBN
- 978-3-910600-06-5
- Price
- free
Abstract
In this work the laser Doppler vibrometry (LDV) is applied to determine the piezoelectric coefficients of sensor and actuator materials. LDV is a noncontacting optical method and, thus, not inhibiting sample displacement allowing for highly precise material characterization. The piezoelectric constants are also directly evaluated from the measurement data. In this work, d33 of lithium tantalate is determined up to 400 °C. However, in principle, the application temperature is limited by the furnace only in which the samples are installed.