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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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Seidel, Jan
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Publications (8/8 displayed)
- 2024Microscopic and nanoscale mechanical properties of tonkin cane bamboo measured by advanced AFM methodscitations
- 2022"oxygen Sponge" Dynamics in Topotactic SrCo1- xFexO3-δcitations
- 2022Correction to Microstructural Evaluation of Phase Instability in Large Bandgap Metal Halide Perovskites
- 2021Microstructural Evaluation of Phase Instability in Large Bandgap Metal Halide Perovskitescitations
- 2020Interfacial Responsive Functional Oxides for Nanoelectronicscitations
- 2020Unveiling the relationship between the perovskite precursor solution and the resulting device performancecitations
- 2018Enhanced piezoelectricity of thin film hafnia-zirconia (HZO) by inorganic flexible substratescitations
- 2016Direct evidence for the spin cycloid in strained nanoscale bismuth ferrite thin filmscitations
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article
Enhanced piezoelectricity of thin film hafnia-zirconia (HZO) by inorganic flexible substrates
Abstract
<p>Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub> (HZO) films are grown on rigid glass and flexible polyimide substrates using non-rapid thermal annealing. Films are comparatively investigated using macroscopic and local probe-based approaches to characterize their ferroelectric and piezoelectric properties. The polarization-electric field (P-E) measurements reveal that the ferroelectric characteristics of these thin films agree with the observed switchable piezoresponse hysteresis loops as well as electrically written, oppositely oriented domains. Moreover, the HZO thin films grown on flexible polyimide substrates display significantly enhanced piezoelectric response in comparison to the films grown on rigid substrates. This effect is likely due to improved domain wall motion caused by the mechanical release of the film-substrate couple. These findings suggest that inherently lead-free HZO thin films on flexible substrates are potential candidate materials for improved piezoelectric applications in wearable devices.</p>