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The missing boundary in the phase diagram of PbZr1−xTixO3
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Zhang, N., Yokota, H., Glazer, A. M. (Anthony Michael), Ren, Z., Keene, D. A., Keeble, Dean Samuel, Thomas, Pam A. and Ye, Z.-G. (2014) The missing boundary in the phase diagram of PbZr1−xTixO3. Nature Communications, Volume 5 . Article number 5231. doi:10.1038/ncomms6231 ISSN 2041-1723.
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Official URL: http://dx.doi.org/10.1038/ncomms6231
Abstract
PbZr1−xTixO3 (PZT) is one of the most important and widely used piezoelectric materials. The study of its local and average structures is of fundamental importance in understanding the origin of its high-performance piezoelectricity. Pair distribution function analysis and Rietveld refinement have been carried out to study both the short- and long-range order in the Zr-rich rhombohedral region of the PZT phase diagram. The nature of the monoclinic phase across the Zr-rich and morphotropic phase boundary area of PZT is clarified. Evidence is found that long-range average rhombohedral and both long- and short-range monoclinic regions coexist at all compositions. In addition, a boundary between a monoclinic (MA) structure and another monoclinic (MB) structure has been found. The general advantage of a particular monoclinic distortion (MA) for high piezoactivity is discussed from a spatial structural model of susceptibility to stress and electric field, which is applicable across the wide field of perovskite materials science.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||
Journal or Publication Title: | Nature Communications | ||||||||
Publisher: | Nature Publishing Group | ||||||||
ISSN: | 2041-1723 | ||||||||
Official Date: | 24 October 2014 | ||||||||
Dates: |
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Volume: | Volume 5 | ||||||||
Article Number: | Article number 5231 | ||||||||
DOI: | 10.1038/ncomms6231 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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