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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Roscow, James
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024Porous Structure Enhances the Longitudinal Piezoelectric Coefficient and Electromechanical Coupling Coefficient of Lead-Free (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3citations
- 2024Porous structure enhances the longitudinal piezoelectric coefficient and electromechanical coupling coefficient of lead‐free (Ba 0.85 Ca 0.15 )(Zr 0.1 Ti 0.9 )O 3citations
- 2024Temperature-Dependent Ferroelectric Properties and Aging Behavior of Freeze-Cast Bismuth Ferrite-Barium Titanate Ceramicscitations
- 2024Ferroelectric-enhanced batteries for rapid charging and improved long-term performancecitations
- 2024Temperature-Dependent Ferroelectric Properties and Aging Behavior of Freeze-Cast Bismuth Ferrite–Barium Titanate Ceramicscitations
- 2024Exploring Lead-Free Materials for Screen-Printed Piezoelectric Wearable Devicescitations
- 2023The unusual case of plastic deformation and high dislocation densities with the cold sintering of the piezoelectric ceramic K0.5Na0.5NbO3citations
- 2022Twelve modified figures of merit of 2–2-type composites based on relaxor-ferroelectric single crystalscitations
- 2022Innovative piezo-active composites and their structure - Property relationshipscitations
- 2022Residual stress and domain switching in freeze cast porous barium titanatecitations
- 2022Ultrasonic Transducers made from Freeze-Cast Porous Piezoceramicscitations
- 2019Orienting anisometric pores in ferroelectrics:Piezoelectric property engineering through local electric field distributionscitations
- 2019Modified energy harvesting figures of merit for stress- and strain-driven piezoelectric systemscitations
- 2018Freeze cast porous barium titanate for enhanced piezoelectric energy harvestingcitations
- 2018Corrigendum to “Modelling and fabrication of porous sandwich layer barium titanate with improved piezoelectric energy harvesting figures of merit” [Acta Mater. 128 (2017) 207–217](S1359645417301209)(10.1016/j.actamat.2017.02.029)citations
- 2018Understanding the effect of porosity on the polarisation-field response of ferroelectric materialscitations
- 2017Modelling and fabrication of porous sandwich layer barium titanate with improved piezoelectric energy harvesting figures of meritcitations
- 2016Manufacture and characterization of porous ferroelectrics for piezoelectric energy harvesting applicationscitations
Places of action
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article
Manufacture and characterization of porous ferroelectrics for piezoelectric energy harvesting applications
Abstract
Porous ferroelectric materials have been evaluated for their piezoelectric energy harvesting capabilities. Macro-porous barium titanate (BaTiO 3 ) ceramics were fabricated with a range of porosities using the burned out polymer spheres process. The pore fraction was tailored by mixing a pore forming agent with BaTiO 3 powder in varying amounts by weight before cold-pressing and pressureless sintering. Introducing porosity into the ferroelectric significantly increased the energy harvesting figure of merit, with a maximum of 2.85pm 2 /N obtained at ∼40% relative density compared with ∼1.0 pm 2 /N for the dense material. The results demonstrate that introducing porosity into a piezoelectric potentially provides an effective route to improving the vibration energy harvesting capability of these materials.