Abstract
Residual ferroelectricity is observed in barium strontium titanate ceramics over 30 °C above the global phase transition temperature, in the same temperature range in which anomalously large flexoelectric coefficients are reported. The application of a strain gradient leads to strain gradient-induced poling or flexoelectric poling. This was observed by the development of a remanent polarization in flexoelectric measurements, an induced d33 piezoelectric response even after the strain gradient was removed, and the production of an internal bias of 9 kV m−1. It is concluded that residual ferroelectric response considerably enhances the observed flexoelectric response.
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Dates
Type | When |
---|---|
Created | 10 years, 5 months ago (March 5, 2015, 1 p.m.) |
Deposited | 2 years, 2 months ago (June 24, 2023, 4:42 p.m.) |
Indexed | 2 weeks, 3 days ago (Aug. 12, 2025, 6:15 p.m.) |
Issued | 10 years, 5 months ago (March 5, 2015) |
Published | 10 years, 5 months ago (March 5, 2015) |
Published Online | 10 years, 5 months ago (March 5, 2015) |
Published Print | 10 years, 5 months ago (March 7, 2015) |
Funders
1
Defense Microelectronics Activity
10.13039/100017442
Region: Americas
gov (National government)
Labels
4
- DOD's Defense Microelectronics Activity
- Department of Defense Microelectronics Activity
- DMEA
- DoD DMEA
Awards
1
- H94003-11-2-1104
@article{Garten_2015, title={Enhanced flexoelectricity through residual ferroelectricity in barium strontium titanate}, volume={117}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.4913858}, DOI={10.1063/1.4913858}, number={9}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Garten, Lauren M. and Trolier-McKinstry, Susan}, year={2015}, month=mar }