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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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| 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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| 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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An, Ke
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Publications (3/3 displayed)
- 2018Event-based processing of neutron scattering data at the Spallation Neutron Sourcecitations
- 2017Structure Evolution and Thermoelectric Properties of Carbonized Polydopamine Thin Filmscitations
- 2012Enhanced piezoelectricity and nature of electric-field induced structural phase transformation in textured lead-free piezoelectric Na 0.5Bi 0.5TiO 3-BaTiO 3 ceramicscitations
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article
Enhanced piezoelectricity and nature of electric-field induced structural phase transformation in textured lead-free piezoelectric Na 0.5Bi 0.5TiO 3-BaTiO 3 ceramics
Abstract
This letter provides a comparative description of the properties of textured and randomly oriented poly-crystalline lead-free piezoelectric 0.93(Na <sub>0.5</sub>Bi <sub>0.5</sub>TiO <sub>3</sub>)-0.07BaTiO <sub>3</sub> (NBT-BT) ceramics. A high longitudinal piezoelectric constant of (d <sub>33</sub>) ∼ 322 pC/N was obtained in (001) <sub>PC</sub> textured NBT-7BT ceramics, which is almost ∼2× times the d <sub>33</sub> coefficient reported for randomly oriented ceramics of the same composition. In situ neutron diffraction experiments revealed that characteristically different structural responses are induced in textured and randomly oriented NBT-BT ceramics upon application of electric fields (E), which are likely related to the varying coherence lengths of polar nanoregions and internal stresses induced by domain switching. © 2012 American Institute of Physics.