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Journal of Materials Science: Materials in Electronics

Enhanced energy storage properties of La-doped Pb0.99Nb0.02(Zr0.85Sn0.13Ti0.02)0.98O3 antiferroelectric ceramics

  • 27-07-2020
Published in:
Authors
Hua Qiang
Zunping Xu
Published in
Journal of Materials Science: Materials in Electronics | Issue 17/2020

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Abstract

Pb0.99Nb0.02(Zr0.85Sn0.13Ti0.02)0.98O3-x mol% La (PNZST-xLa, x = 0, 0.005, 0.01, and 0.02) antiferroelectric ceramics with orthorhombic perovskite structure were synthesized by solid-state reaction methods and the effect of La content on the phase stability and energy storage properties of PNZST-xLa was investigated. The introduction of La can enhance the stability of antiferroelectric phase and broaden the dielectric peak. Moreover, La doping leads to an increase of grain boundary resistance. La-doped PNZST ceramics show larger recoverable energy density and higher energy efficiency than un-doped PNZST ceramic due to the increased switching electric field and polarization as the La doping. Meanwhile, the temperature- and electric field-dependent energy storage properties were studied. The energy storage density increases with increasing electric field but declines with increasing temperature.

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Title
Enhanced energy storage properties of La-doped Pb0.99Nb0.02(Zr0.85Sn0.13Ti0.02)0.98O3 antiferroelectric ceramics
Authors
Hua Qiang
Zunping Xu
Publication date
27-07-2020
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 17/2020
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-020-04053-8
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