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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Fa-peng Yu Shuai Hou Shujun Zhang Ting-feng Ma Xian Zhao |
| Copyright Year | 2013 |
| Description | Author affiliation: Mater. Res. Inst., Pennsylvania State Univ., University Park, PA, USA (Shujun Zhang) || State Key Lab. of Crystal Mater. & Inst. of Crystal Mater., Shandong Univ., Jinan, China (Fa-peng Yu; Shuai Hou; Xian Zhao) || Piezoelectr. Device Lab., Ningbo Univ., Ningbo, China (Ting-feng Ma) |
| Abstract | Among langasite type crystals, $La_{3}Ga_{5.5}Ta_{0.5}O_{14}$ (LGT) and $Ca_{3}TaGa_{3}Si_{2}O_{14}$ (CTGS) possess relatively high resistivity $(>10^{6}Ωcm@600°C)$ and high effective piezoelectric coefficient (6-8 pC/N) at elevated temperatures, exhibited the potential use for high temperature sensing. In this work, the maximum piezoelectric coefficients and piezoelectric cross-talk behaviors for LGT and CTGS crystals are investigated, where the maximum piezoelectric $d_{11},$ $d_{14}$ and $d_{26}$ for LGT crystals are obtained to be on the order of 7.2, 9.7 and 14.7 pC/N, respectively, while for CTGS crystals, the maximum $d_{11},$ $d_{14}$ and $d_{26}$ are found to be 4.6, 12.2, and 11.4 pC/N, respectively. Of particular significance is that the optimum crystal cuts free of cross-talk were obtained from LGT and CTGS crystals, with effective piezoelectric coefficients being on the order of 14-15 pC/N and 8-11 pC/N, respectively, attractive for high temperature piezoelectric applications. |
| Sponsorship | IEEE Ultrason., Ferroelectr., Freq. Control Soc. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 1080991 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781479932894 |
| e-ISBN | 9781479932887 |
| DOI | 10.1109/SPAWDA.2013.6841085 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-10-25 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Single crystals CTGS Piezoelectric property Cross-talk LGT |
| Content Type | Text |
| Resource Type | Article |
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