| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1501312 | Scripta Materialia | 2008 | 4 Pages |
Abstract
The effect of (Li,Ce) substitution at the A-site on the properties of Na0.25K0.25Bi4.5Ti4O15 (NKBT)-based ceramics was investigated. The piezoelectric coefficient d33 of the [(Na0.5K0.5)Bi]0.42(LiCe)0.04[]0.04Bi4Ti4O15 ceramic was found to be 25 pC N−1, the highest value of the NKBT-based ceramics, and almost twice the d33 values of pure NKBT ceramics (∼13 pC N−1). The thickness coupling factor kt was found to be 20%, which, together with the high TC (∼615 °C) and stable piezoelectric properties, suggests that (Li,Ce)-modified NKBT-based materials are promising candidates for high-temperature applications.
Keywords
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Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Zhi-Gang Gai, Jin-Feng Wang, Ming-Lei Zhao, Wen-bin Sun, Shang-Qian Sun, Bao-Quan Ming, Peng Qi, Li-mei Zheng, Juan Du, Chun-Ming Wang, Shujun Zhang, Thomas R. Shrout,