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Electron backscatter diffraction mapping of herringbone domain structures in tetragonal piezoelectrics

Farooq, M. U. and Villaurrutia, R. and MacLaren, I. and Burnett, T. L. and Comyn, Timothy P. and Bell, Andrew J. and Kungl, Hans and Hoffmann, Michael J. (2008):
Electron backscatter diffraction mapping of herringbone domain structures in tetragonal piezoelectrics.
In: Journal of Applied Physics, pp. 024111-1-024111-3, 104, (2), ISSN 00218979,
[Online-Edition: http://dx.doi.org/10.1063/1.2956704],
[Article]

Abstract

Herringbone domain structures have been mapped using electron backscatter diffraction in two tetragonal piezoelectrics: lead zirconate titanate [Pb(Zr,Ti)O3] and bismuth ferrite–lead titanate [(PbTi)0.5(BiFe)0.5O3]. Analysis of the domain misorientations across the band junctions shows that the structures correspond very well to crystallographic models. High resolution mapping with a 20 nm step size allowed the crystal rotation across one of these band junctions in lead zirconate titanate to be studied in detail and allowed an improved estimation of the peak strain at the junction, of 0.56 GPa. The significance of this for crack nucleation and propagation in such materials is discussed.

Item Type: Article
Erschienen: 2008
Creators: Farooq, M. U. and Villaurrutia, R. and MacLaren, I. and Burnett, T. L. and Comyn, Timothy P. and Bell, Andrew J. and Kungl, Hans and Hoffmann, Michael J.
Title: Electron backscatter diffraction mapping of herringbone domain structures in tetragonal piezoelectrics
Language: English
Abstract:

Herringbone domain structures have been mapped using electron backscatter diffraction in two tetragonal piezoelectrics: lead zirconate titanate [Pb(Zr,Ti)O3] and bismuth ferrite–lead titanate [(PbTi)0.5(BiFe)0.5O3]. Analysis of the domain misorientations across the band junctions shows that the structures correspond very well to crystallographic models. High resolution mapping with a 20 nm step size allowed the crystal rotation across one of these band junctions in lead zirconate titanate to be studied in detail and allowed an improved estimation of the peak strain at the junction, of 0.56 GPa. The significance of this for crack nucleation and propagation in such materials is discussed.

Journal or Publication Title: Journal of Applied Physics
Volume: 104
Number: 2
Uncontrolled Keywords: cracks, crystal orientation, electric domains, electron diffraction, lead compounds, nucleation, piezoelectric materials, titanium compounds
Divisions: DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > A - Synthesis > Subproject A2: Manufacturing and characterization of PZT-ceramics with defined defect chemistry
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > A - Synthesis
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue
Zentrale Einrichtungen
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
DFG-Collaborative Research Centres (incl. Transregio)
Date Deposited: 27 Jul 2011 10:46
Official URL: http://dx.doi.org/10.1063/1.2956704
Additional Information:

SFB 595 A2

Identification Number: doi:10.1063/1.2956704
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