Time-resolved diffraction measurements of electric-field-induced strain in tetragonal lead zirconate titanate

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dc.contributor.authorDaniels, JEen_AU
dc.contributor.authorFinlayson, TRen_AU
dc.contributor.authorStuder, AJen_AU
dc.contributor.authorHoffman, Men_AU
dc.contributor.authorJones, JLen_AU
dc.date.accessioned2009-06-19T02:26:18Zen_AU
dc.date.accessioned2010-04-30T05:02:40Zen_AU
dc.date.available2009-06-19T02:26:18Zen_AU
dc.date.available2010-04-30T05:02:40Zen_AU
dc.date.issued2007-05-01en_AU
dc.date.statistics2007-05-01en_AU
dc.description.abstractThe dynamic electric-field-induced strain in piezoelectric ceramics enables their use in a broad range of sensor, actuator, and electronic devices. In piezoelectric ceramics which are also ferroelectric, this macroscopic strain is comprised of both intrinsic (piezoelectric) and extrinsic (non-180 degrees domain switching) strain components. Extrinsic contributions are accompanied by hysteresis, nonlinearity, and fatigue. Though technologically significant, direct measurement of these mechanisms and their relative contributions to the macroscopic response has not yet been achieved at driving frequencies of interest. Here we report measurements of these mechanisms in ceramic lead zirconate titanate during application of subcoercive cyclic driving electric fields using an in-situ stroboscopic neutron diffraction technique. Calculations are made from the diffraction measurements to determine the relative contributions of these different strain mechanisms. During applied electric field square waves of +0.5E(c) unipolar and +/- 0.5E(c) bipolar, at 1 Hz, non-180 degrees domain switching is found to contribute 34% and 40% of the macroscopically measured strain, respectively. © 2007, American Institute of Physicsen_AU
dc.identifier.citationDaniels, J. E., Finlayson, T. R., Studer, A. J., Hoffman, M., & Jones, J. L. (2007). Time-resolved diffraction measurements of electric-field-induced strain in tetragonal lead zirconate titanate. Journal of Applied Physics, 101(9), 6. doi:10.1063/1.2720255en_AU
dc.identifier.govdoc1167en_AU
dc.identifier.issn0021-8979en_AU
dc.identifier.issue9en_AU
dc.identifier.journaltitleJournal of Applied Physicsen_AU
dc.identifier.pagination6en_AU
dc.identifier.urihttp://dx.doi.org/10.1063/1.2720255en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/1436en_AU
dc.identifier.volume101en_AU
dc.language.isoenen_AU
dc.publisherAmerican Institute of Physicsen_AU
dc.subjectPZTen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectPiezoelectricityen_AU
dc.subjectCeramicsen_AU
dc.subjectStrainsen_AU
dc.subjectElectric fieldsen_AU
dc.titleTime-resolved diffraction measurements of electric-field-induced strain in tetragonal lead zirconate titanateen_AU
dc.typeJournal Articleen_AU
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