New features of the morphotropic phase boundary in the PbZrO 3-PbTiO3 system: A Raman spectroscopy study

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Ayala, A. P.
Lima, K. C V
Souza Filho, A. G.
Mendes Filho, J.
Freire, P. T C
Guedes, I.
Melo, F. E A
Araújo, E. B. [UNESP]
Eiras, J. A.

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Taylor & Francis Ltd


In this work we present a Raman study of PbZr1-xTi xO3 ceramics with composition values close to the morphotropic phase boundary region. The analysis of the Raman spectra leads to the determination of the monoclinic phase extension at different temperatures in a very good agreement with those determined by diffraction techniques. Therefore the obtained results show that Raman spectroscopy is a powerful and suitable technique to study structural phase transitions in PbZr 1-xTixO3. © 2002 Taylor & Francis.



Phase transitions, PZT, Raman spectroscopy, Diffraction, Lead, Morphology, Thermal effects, Titanium, Zirconium, Diffraction techniques, Morphotropic phase boundary, Phase boundary region, Ferroelectric ceramics

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Ferroelectrics, v. 272, p. 21-26.