| People | Locations | Statistics |
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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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Fernandes, Jra
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Topics
Publications (12/12 displayed)
- 2017The role of PbTiO3 layers in piezoelectric multilayer composite films based on Pb(Mg1/3Nb2/3)O-3-PbTiO3citations
- 2017Deposition parameters and annealing key role in setting structural and polar properties of Bi0.9La0.1Fe0.9Mn0.1O3 thin filmscitations
- 2015Fracture behaviour of wood bonded joints under modes i and II by digital image correlation and fibre Bragg grating sensorscitations
- 2014Morphotropic Phase Boundary in Solution- Derived ( Bi0.5Na0.5) 1-xBaxTiO3 Thin Films: Part II Functional Properties and Phase Stabilitycitations
- 2013Room temperature structure and multiferroic properties in Bi0.7La0.3FeO3 ceramicscitations
- 2012Properties of multilayer composite thin films based on morphotropic phase boundary Pb(Mg1/3Nb2/3)O-3-PbTiO3citations
- 2006Optimization of the fabrication parameters of PZT 52/48 thin films by pulsed laser ablationcitations
- 2005Bottom electrode crystallization of Pb(Zr, Ti)O-3 thin films made by RF magnetron sputteringcitations
- 2003Barium metaplumbate thin film electrodes for ferroelectric devicescitations
- 2003Simple method for crystallizing ceramic thin films using platinum bottom electrodes as resistive heating elementscitations
- 2003Pulsed laser deposition of barium metaplumbate thin films for ferroelectric capacitorscitations
- 2002Interactions at zirconia-Au-Ti interfaces at high temperaturescitations
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article
Morphotropic Phase Boundary in Solution- Derived ( Bi0.5Na0.5) 1-xBaxTiO3 Thin Films: Part II Functional Properties and Phase Stability
Abstract
The analysis of the functional properties (ferroelectric, dielectric, and piezoelectric) of chemical solution deposited thin films of the lead-free (Bi0.5Na0.5)(1-x)BaxTiO3 (BNBT) solid solution prepared from solution precursors with and without Na+ and Bi3+ excesses has been performed in this work. At room temperature a nonergodic relaxor ferroelectric state has been found. The switched polarization of the films is not stable at room temperature, poor remnant polarization, associated with an enhancement of the induced domains randomization produced by the films constraints. The depolarization temperature for the switched polarization allowed us to build up a tentative phase diagram for these BNBT films. Both the better functional properties and the agreement of the depolarization temperature with the freezing temperature of the relaxor Volger-Fulcher behavior permit to locate the center of the morphotropic phase boundary region close to x=0.055 in the stoichiometric films and x=0.10 for the films with Na+ and Bi3+ excesses. Based on these results, the possible applications of these films are discussed.