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Relaxor behavior, polarization buildup, and switching in nanostructured 0.92 PbZn1/Nb-3(2)/O-3(3)-0.08 PbTiO3 ceramics

AuthorsAlgueró, Miguel ; Hungría, Teresa ; Amorín, Harvey ; Ricote, J. ; Galy, Jean ; Castro, Alicia
Issue Date2007
CitationSmall 3 (11): 1906-1911 (2007)
AbstractThe relaxor-type behavior, electrical polarization buildup, and switching in 0.92Pb(Zn 1/3,Nb2/3)O3-0.08PbTiO3 nanostructured ceramics with a grain size of ≈ 20 nm is reported for the first time. This composition presents the highest-known piezoelectric coefficients, yet phase stability is an issue. Ceramics can only be obtained by the combination of mechanosynthesis and spark-plasma sintering. The results raise the possibility of using nanoscale, perovskite-relaxor-based morphotropic-phase-boundary materials for sensing and actuation in nanoelectromechanical systems. © 2007 Wiley-VCH Verlag GmbH &Co. KGaA.
Identifiersdoi: 10.1002/smll.200700284
issn: 1613-6810
Appears in Collections:(ICMM) Artículos
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