The relaxor response of the Aurivillius ceramics is reported. The relaxor behavior appears with an increase of the symmetry in the ab plane of the structure and a decrease of the transition temperature. By the application of a bias field on nonpoled samples, it is possible to induce the piezoelectric response. The piezoelectric coefficient in the planar mode of −72 pC/N was measured at 210 °C for ceramic disks. These results represent a step in the search of high-temperature piezoelectric ceramics.
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Research Article| December 09 2002
Relaxor behavior of Aurivillius ceramics
J. F. Fernández;
A. C. Caballero;
J. de Frutos;
J. F. Fernández, A. C. Caballero, M. Villegas, J. de Frutos, L. Lascano; Relaxor behavior of Aurivillius ceramics. Appl. Phys. Lett. 16 December 2002; 81 (25): 4811–4813. https://doi.org/10.1063/1.1529088
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