Local microstructure evolution of local microstructure evolution of bismuth sodium titanate-based lead-free piezoelectric systems across the morphotropic phase boundary region

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dc.contributor.authorLiu, Yen_AU
dc.contributor.authorWithers, RLen_AU
dc.contributor.authorWang, Jen_AU
dc.contributor.authorNorén, Len_AU
dc.contributor.authorStuder, AJen_AU
dc.contributor.authorLi, YXen_AU
dc.date.accessioned2014-09-29T05:22:17Zen_AU
dc.date.available2014-09-29T05:22:17Zen_AU
dc.date.issued2012-09-12en_AU
dc.date.statistics2014-09-29en_AU
dc.description.abstractMorphotropic phase boundary (MPB) containing piezoelectric systems generally exhibit enhanced piezoelectric performance at compositions within, or close to, the MPB region. The mechanism/s underlying such enhancement, however, are still contentious due to complex micro/nanostructure and apparently inherent local structural variability associated with octahedral tilt disorder/platelet precipitates in such piezoelectric materials. This paper reviews some recent structural analysis results from Bi0.5Na0.5TiO3 (BNT) and other binary, lead-free, piezoelectric materials systems derived from it via electron diffraction and in situ neutron diffraction. The results suggest that intrinsically existing local microstructure (LMS) in BNT essentially continues across the MPB region. The LMS, originating from inherent octahedral tilt disorder, is strongly temperature-, electric field-, pressure- and chemical composition-dependent, and may help to explain a series of phenomena observed in BNT-based binary materials systems, including the enhanced piezoelectric effect in the region of the MPB. © 2012 World Scientific Publishing Co.en_AU
dc.identifier.articlenumber1230012en_AU
dc.identifier.citationLiu, Y., Withers, R. L., Wang, J., Norén, L., Studer, A .J., & Li, Y. (2012). Local microstructure evolution of bismuth sodium titanate-based lead-free piezoelectric systems across the morphotropic phase boundary region. Journal of Advanced Dielectrics, 02(04), 1230012. doi:10.1142/S2010135X12300125en_AU
dc.identifier.govdoc5099en_AU
dc.identifier.issn2010-135Xen_AU
dc.identifier.issue04en_AU
dc.identifier.journaltitleJournal of Advanced Dielectricsen_AU
dc.identifier.urihttp://dx.doi.org/10.1142/S2010135X12300125en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/5881en_AU
dc.identifier.volume02en_AU
dc.language.isoenen_AU
dc.publisherWorld Scientific Publishing Coen_AU
dc.subjectElectron diffractionen_AU
dc.subjectBismuthen_AU
dc.subjectSodiumen_AU
dc.subjectTitaniumen_AU
dc.subjectBariumen_AU
dc.subjectOxygenen_AU
dc.titleLocal microstructure evolution of local microstructure evolution of bismuth sodium titanate-based lead-free piezoelectric systems across the morphotropic phase boundary regionen_AU
dc.typeJournal Articleen_AU
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