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Research Article | Open Access

Relaxor behavior and Raman spectra of CuO-doped Pb(Mg1/3Nb2/3)O3–PbTiO3 ferroelectric ceramics

Huiqin LIaJingsong LIUa( )Hongtao YUaShuren ZHANGb
State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials, Southwest University of Science and Technology, Mianyang, Sichuan, China
State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
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Abstract

In this work, Raman spectra and dielectricity–temperature dependence measurements were used to investigate the B-site order degree in CuO-doped Pb(Mg1/3Nb2/3)O3–PbTiO3 ferroelectric ceramics. The measurement results indicated a typical relaxor characteristic for all samples. With the increasing of CuO doping content, the B-site order degree increased first and then decreased. However, the frequency dispersion and the relaxation degree decreased first and then increased while the CuO addition content was increasing, which was thought to be strongly correlated with the variations of the B-site order. The opposite variation tendency of the B-site order degree and the relaxation degree revealed that the phase transition dispersity is closely related to the order–disorder behaviors.

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Journal of Advanced Ceramics
Pages 177-183
Cite this article:
LI H, LIU J, YU H, et al. Relaxor behavior and Raman spectra of CuO-doped Pb(Mg1/3Nb2/3)O3–PbTiO3 ferroelectric ceramics. Journal of Advanced Ceramics, 2014, 3(3): 177-183. https://doi.org/10.1007/s40145-014-0106-0

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Received: 12 February 2014
Revised: 15 April 2014
Accepted: 27 April 2014
Published: 02 September 2014
© The author(s) 2014

Open Access: This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

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