Abstract
Highly (100),(001)-oriented (Ba0.85Ca0.15)TiO3 (BCT) lead-free piezoelectric ceramics were fabricated by the reactive templated grain growth method using a mixture of plate-like CaTiO3 and BaTiO3 particles. Piezoelectric properties of the ceramics with a high degree of texture were found to be considerably enhanced compared with the BCT ceramics with a low degree of texture. With increasing the Lotgering factor from 26% up to 94%, the piezoelectric properties develop towards the properties of a single crystal. The dynamics of polarization switching was studied over a broad time domain of 8 orders of magnitude and was found to strongly depend on the degree of orientation of the ceramics. Samples with a high degree of texture exhibited 2–3 orders of magnitude faster polarization switching, as compared with the ones with a low degree of texture. This was rationalized by means of the Inhomogeneous Field Mechanism model as a result of the narrower statistical distribution of the local electric field values in textured media, which promotes a more coherent switching process. The extracted microscopic parameters of switching revealed a decrease of the critical nucleus energy in systems with a high degree of texture providing more favorable switching conditions related to the enhanced ferroelectric properties of the textured material.
Authors
10
- Sergey Zhukov (first)
- Yuri A. Genenko (additional)
- Jurij Koruza (additional)
- Jan Schultheiß (additional)
- Heinz von Seggern (additional)
- Wataru Sakamoto (additional)
- Hiroki Ichikawa (additional)
- Tatsuro Murata (additional)
- Koichiro Hayashi (additional)
- Toshinobu Yogo (additional)
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35
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Dates
Type | When |
---|---|
Created | 9 years, 7 months ago (Jan. 9, 2016, 1 p.m.) |
Deposited | 2 years, 2 months ago (June 17, 2023, 11:19 a.m.) |
Indexed | 3 weeks, 2 days ago (July 30, 2025, 7:06 a.m.) |
Issued | 9 years, 7 months ago (Jan. 4, 2016) |
Published | 9 years, 7 months ago (Jan. 4, 2016) |
Published Online | 9 years, 7 months ago (Jan. 8, 2016) |
Published Print | 9 years, 7 months ago (Jan. 4, 2016) |
Funders
1
Deutsche Forschungsgemeinschaft
10.13039/501100001659
Region: Europe
gov (National government)
Labels
3
- German Research Association
- German Research Foundation
- DFG
Awards
3
- SE 941/17-1
- GE 1171/7-1
- KO 5100/1-1
@article{Zhukov_2016, title={Effect of texturing on polarization switching dynamics in ferroelectric ceramics}, volume={108}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.4939684}, DOI={10.1063/1.4939684}, number={1}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Zhukov, Sergey and Genenko, Yuri A. and Koruza, Jurij and Schultheiß, Jan and von Seggern, Heinz and Sakamoto, Wataru and Ichikawa, Hiroki and Murata, Tatsuro and Hayashi, Koichiro and Yogo, Toshinobu}, year={2016}, month=jan }