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Title: Neutron diffraction study of the polarization reversal mechanism in [111](c)-oriented Pb(Zn1/3Nb2/3)O-3-xPbTiO(3).
Authors: Daniels, JE
Finlayson, TR
Davis, M
Damjanovic, D
Studer, AJ
Hoffman, M
Jones, JL
Keywords: Neutron diffraction
Issue Date: 24-May-2007
Publisher: American Institute of Physics
Citation: Daniels, J. E., Finlayson, T. R., Davis, M., Damjanovic, D., Studer, A. J., Hoffman, M., & Jones, J. L. (2007). Neutron diffraction study of the polarization reversal mechanism in [111](c)-oriented Pb(Zn1/3Nb2/3)O-3-xPbTiO(3). Journal of Applied Physics, 101(10), 7. doi:10.1063/1.2733636
Abstract: The polarization reversal mechanism in [111](c)-oriented Pb(Zn1/3Nb2/3)O-3-xPbTiO(3) has been investigated by in-situ neutron diffraction. Stepwise static-field measurements of the (222)(c) rocking curves confirm a two-stage polarization reversal mechanism via a sequence of non-180 degrees domain reorientations. The time-resolved response has also been measured upon application of a bipolar square wave with a 30 s period to observe directly the relaxation times of diffracted neutron intensity during the reversal process. Upon application of a large antipolar field, the diffraction intensity increases quickly, before relaxing over a longer time period with an exponential decay constant, tau, of approximately 5.7 s. These large time constants correlate with a frequency dependence of the macroscopic strain-field response. © 2007, American Institute of Physics
Gov't Doc #: 1166
ISSN: 0021-8979
Appears in Collections:Journal Articles

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