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Optical properties of (1−x)PbZn1/3Nb2/3O3−xPbTiO3 single crystals

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Abstract

The temperature dependence of the optical transmission and small-angle light scattering with and without applied constant electric field was studied in relaxor single crystals of 0.91PbZn1/3Nb2/3O3-0.09PbTiO3 (PZN-PT 91/9) and 0.93PbZn1/3Nb2/3O3-0.07PbTiO3 (PZN-PT 93/7) solid solutions in the region of two phase transitions: (i) from cubic paraelectric to tetragonal ferroelectric phase at T=T c and (ii) from tetragonal ferroelectric to rhombohedral ferroelectric phase at T=T rt. In the absence of external electric field, only the phase transition at T c proceeds in both PZN-PT 91/9 and PZN-PT 93/7 crystals according to a percolation mechanism and is accompanied by the appearance of a sharp maximum in the small-angle light scattering intensity curve. In PZN-PT 93/7 crystals, the application of a relatively weak electric field induces an additional percolation type phase transition at T rt.

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Authors and Affiliations

  1. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    L. S. Kamzina

  2. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China

    J. Xu, M. Shi & X. Wu

Authors
  1. L. S. Kamzina
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  2. J. Xu
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  3. M. Shi
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  4. X. Wu
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 30, No. 23, 2004, pp. 62–69.

Original Russian Text Copyright © 2004 by Kamzina, Xu, Shi, Wu.

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Kamzina, L.S., Xu, J., Shi, M. et al. Optical properties of (1−x)PbZn1/3Nb2/3O3−xPbTiO3 single crystals. Tech. Phys. Lett. 30, 1002–1004 (2004). https://doi.org/10.1134/1.1846840

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  • DOI: https://doi.org/10.1134/1.1846840

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