Applied Physics A

, Volume 103, Issue 4, pp 1159–1163 | Cite as

Large pyroelectric response in (Pb0.87La0.02Ba0.1)(Zr0.7Sn0.3−x Ti x )O3 antiferroelectric ceramics under DC bias field

  • Qingfeng Zhang
  • Shenglin Jiang
  • Yike Zeng
  • Maoyan Fan
  • Qingping Wang
  • Guangzu Zhang
  • Yangyang Zhang
  • Yan Yu
  • Jing Wang
Article
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Abstract

(Pb0.87La0.02Ba0.1)(Zr0.7Sn0.3−x Ti x )O3 (PLBZST, 0.06≤x≤0.09) antiferroelectric ceramics were fabricated by conventional solid state reaction process, and their ferroelectric, dielectric, and pyroelectric properties were systemically investigated. PLBZST with different Ti content were all confirmed to be in an antiferroelectric phase at T=50°C, which is close to the lowest phase transition temperature. Compared with conventional FE ceramics, PLBZST antiferroelectric ceramics exhibited higher electric field induced pyroelectric coefficient (p). As the content of Ti increased from 0.06 to 0.09, the pyroelectric coefficient increased from 1000 to 6500 μC/m2K under a 500 V/mm DC bias field. The maximum pyroelectric coefficient of 8400 μC/m2K was obtained at x=0.09 when an 850 V/mm DC bias field was applied, which is far larger than that of conventional phase transition pyroelectric materials. Large pyroelectric response is beneficial for the development of infrared detectors and thermal imaging sensors.

Keywords

Dielectric Constant Dielectric Loss Pyroelectric Coefficient Dielectric Constant Increase Antiferroelectric Phase 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • Qingfeng Zhang
    • 1
  • Shenglin Jiang
    • 1
  • Yike Zeng
    • 1
  • Maoyan Fan
    • 1
  • Qingping Wang
    • 1
  • Guangzu Zhang
    • 1
  • Yangyang Zhang
    • 1
  • Yan Yu
    • 1
  • Jing Wang
    • 1
  1. 1.Department of Electronic Science and TechnologyHuazhong University of Science and TechnologyWuhanChina

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