Effect of lanthanum modification on dielectric relaxation behavior in lead zirconate stannate titanate antiferroelectric ceramics

  • Wenle Ma
  • Xiaozhen Song
  • Yong Zhang
  • Qian Zhang
  • Jia Zhu
  • Dongliang Yang
  • Yongzhou Chen
  • Ivan Baturin


The effect of lanthanum concentration on dielectric relaxation behavior in lead zirconate stannate titanate antiferroelectric ceramics was investigated by X-ray diffraction technique, dielectric spectroscopy, Sawyer–Tower polarization methods, and thermally stimulated depolarization current (TSDC) measurements. The tetragonal phase was found to be stabilized from the rhombohedral phase by lanthanum substitution. As the lanthanum content was increased, the dielectric constant decreased gradually over the measuring temperature range. As a result of polarization–electric field hysteresis loops, the maximum polarization decreased and the switching field increased with the increase of lanthanum content. Investigations of TSDC measurements revealed that the peak is due to space-charge polarization. It is suggested to be associated with the relaxation of oxygen vacancies.


Morphotropic Phase Boundary Thermally Stimulate Depolarization Current Pb3O4 Lanthanum Content Lanthanum Concentration 
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This work was supported by International Science & Technology Cooperation Program of China (No. 2012DFR50560) and Ministry of Education and Science of the Russian Federation (UID RFMEFI59414X0011).


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Wenle Ma
    • 1
  • Xiaozhen Song
    • 1
  • Yong Zhang
    • 1
  • Qian Zhang
    • 1
  • Jia Zhu
    • 1
  • Dongliang Yang
    • 1
  • Yongzhou Chen
    • 1
  • Ivan Baturin
    • 2
  1. 1.Beijing Key Laboratory of Fine Ceramics, State Key Laboratory of New Ceramics and Fine Processing, Institute of Nuclear and New Energy TechnologyTsinghua UniversityBeijingChina
  2. 2.Ferroelectric Laboratory, Institute of Natural ScienceUral Federal UniversityEkaterinburgRussia

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