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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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Saviot, Lucien
Laboratoire Interdisciplinaire Carnot de Bourgogne
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2023Sensitivity of Localized Surface Plasmon Resonance and Acoustic Vibrations to Edge Rounding in Silver Nanocubescitations
- 2023Visible-light photocatalytic degradation of dyes by TiO2 -Au inverse opal films synthesized by Atomic Layer Depositioncitations
- 2022Mechanosynthesis of carbonate and lithium co-substituted hydroxyfluorapatitecitations
- 2022Mechanosynthesis of carbonate and lithium co-substituted hydroxyfluorapatitecitations
- 2019Iron oxide-based nanostructured ceramics with tailored magnetic and mechanical properties: Development of mechanically robust, bulk superparamagnetic materials
- 2019Iron oxide-based nanostructured ceramics with tailored magnetic and mechanical properties: development of mechanically robust, bulk superparamagnetic materialscitations
- 2017Direct Writing on Copper Ion Doped Silica Films by Electrogeneration of Metallic Microstructurescitations
- 2013Poisson ratio and excess low-frequency vibrational states in glassescitations
- 2013THz nanocrystal acoustic vibrations from ZrO2 3D supercrystalscitations
- 2012Growth of glass-embedded Cu nanoparticles: A low-frequency Raman scattering studycitations
- 2011Dielectric properties and Raman spectroscopy in Ca-substituted Na0.5Bi0.5TiO3 ferroelectric ceramicscitations
- 2008Surface enhanced Raman scattering of silver sensitized cobalt nanoparticles in metal–dielectric nanocompositescitations
- 2008Surface enhanced Raman scattering of silver sensitized cobalt nanoparticles in metal–dielectric nanocompositescitations
- 2007Polarizability calculation of vibrating nanoparticles for intensity of low wavenumber Raman scatteringcitations
Places of action
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article
Dielectric properties and Raman spectroscopy in Ca-substituted Na0.5Bi0.5TiO3 ferroelectric ceramics
Abstract
Lead free Na0.5Bi0.5TiO3 (NBT) and (Na0.5Bi0.5TiO3)1-x(CaTiO3)x (NBT-CT) piezoelectric ceramics with the perovskite structure were studied. The NBT and NBT-CT samples were synthesized using a solid-state reaction method and characterized with X-ray diffraction (XRD), Raman spectroscopy and dielectric measurements for several compositions (x = 0, 0.07, 0.15) at room temperature. The XRD analysis showed a stabilization of a rhombohedral phase at a low concentration of Ca (0 < x <0.15), whereas Raman spectra reveal a strong modification for the sample with x = 0.15. The dielectric properties of these ceramics were studied by measuring impedance in the 79-451K temperature range for unpoled and field cooling with an electric field (FC) conditions.