A way for densification of lead-free BaTiO3-based/ZrO2 laminates for energy harvesting applications prepared by electrophoretic deposition

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26620%2F24%3APU149233" target="_blank" >RIV/00216305:26620/24:PU149233 - isvavai.cz</a>
Alternative codes found
RIV/68081723:_____/24:00577637
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0167577X23016099" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0167577X23016099</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.matlet.2023.135424" target="_blank" >10.1016/j.matlet.2023.135424</a>

Result language
angličtina
Original language name
A way for densification of lead-free BaTiO3-based/ZrO2 laminates for energy harvesting applications prepared by electrophoretic deposition
Original language description
In this paper, the concept of multi-layer ceramics based on a combination of piezoelectric layers BaTiO3 (BT) or (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 (BCZT) alternated with mechanically durable ZrO2 (Z) layers is investigated. Both BT/Z and BCZT/Z laminates were successfully electrophoretically deposited (EPD) due to knowledge of the deposition kinetics of individual materials and their green densities allowing precise layer thickness control. The EPD was followed by conventional sintering (CS) or spark plasma sintering (SPS). The CS resulted in the development of cracks, pores, and significant chemical reactions at the layers interfaces in both types of laminates. Laminates sintered by SPS were crack free with suppressed or none chemical reactions at the interfaces. The mechanical properties development across layers was monitored using nanoindentation. This approach identified interlayer porosity evolution and estimated the significance of the reaction zone at the interface.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20504 - Ceramics

Project
<a href="/en/project/GA21-24805S" target="_blank" >GA21-24805S: Tailoring of interfaces in lead-free ferroelectric-dielecric composites to enhance their electromechanical properties</a><br>
Continuities
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Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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