Influence of the (Bi0.5Na0.5)TiO3–BaTiO3 lead-free piezoceramic geometries on the power generation of energy harvesting devices
- Difeo, Mauro César
- Osinaga, Santiago Manuel
- Febbo, Mariano
- Machado, Sebastián Pablo
- Castro, Miriam Susana
- Ramajo, Leandro Alfredo
DOIAbstract
In this work, we report the harvested energy of lead-free 0.94(Bi0.5Na0.5)TiO3-0.06BaTiO3 bulk ceramics using two different geometries (rectangular plate and disk). These ceramics were obtained by the solid-state reaction method and their good ferroelectric properties were reported. The samples were characterized using X-ray diffraction (XRD), Raman microspectroscopy and Scanning Electron Microscopy (SEM) analysis, whereas ferroelectric and dielectric properties were evaluated by means of ferroelectric hysteresis loops and impedance spectroscopy studies. A cantilever-based harvester was proposed to evaluate the performance of Piezoelectric Energy Harvesting (PEH). The morphological influence on the voltage generation was experimentally and ...
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