Uncooled tunable pyroelectric response of antiferroelectric Pb 0.97La0.02(Zr0.65Sn0.22Ti 0.13)O3 perovskite

Wai Hung Chan; Zhengkui Xu; Jiwei Zhai; H. D. Chen

doi:10.1063/1.2128483

Uncooled tunable pyroelectric response of antiferroelectric Pb _0.97La_0.02(Zr_0.65Sn_0.22Ti _0.13)O₃ perovskite

Wai Hung Chan, Zhengkui Xu^*, Jiwei Zhai, H. D. Chen

^*Corresponding author for this work

International College of Semiconductor Technology

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

Pb0.97 La0.02 (Zr0.65 Sn0.22 Ti0.13) O3 ceramic was confirmed to be in an antiferroelectric (AFE) phase at T<170 °C by macroscopic and microscopic studies. The electric-field-induced ferroelectric (FE) state was found to exhibit a much longer lifetime than the reasonable laboratory measuring time scale at T<60 °C, which has led to the frequent misinterpretation of this material system as FE. The dc bias dependence of the dielectric and pyroelectric properties was studied as a function of temperature. The poled sample exhibited a low dissipation factor (tan δ∼0.03), a large transient pyroelectric coefficient of the order of 10-3 - 10-2 Cm-2 K-1, and excellent dc tunability at the FE-to-AFE transition temperature (39 °CkVmm). The possible application of this material to uncooled tunable pyroelectric thermal sensing is also discussed.

Original language	English
Article number	192904
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	87
Issue number	19
DOIs	https://doi.org/10.1063/1.2128483
State	Published - 7 Nov 2005

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title = "Uncooled tunable pyroelectric response of antiferroelectric Pb 0.97La0.02(Zr0.65Sn0.22Ti 0.13)O3 perovskite",

abstract = "Pb0.97 La0.02 (Zr0.65 Sn0.22 Ti0.13) O3 ceramic was confirmed to be in an antiferroelectric (AFE) phase at T<170 °C by macroscopic and microscopic studies. The electric-field-induced ferroelectric (FE) state was found to exhibit a much longer lifetime than the reasonable laboratory measuring time scale at T<60 °C, which has led to the frequent misinterpretation of this material system as FE. The dc bias dependence of the dielectric and pyroelectric properties was studied as a function of temperature. The poled sample exhibited a low dissipation factor (tan δ∼0.03), a large transient pyroelectric coefficient of the order of 10-3 - 10-2 Cm-2 K-1, and excellent dc tunability at the FE-to-AFE transition temperature (39 °CkVmm). The possible application of this material to uncooled tunable pyroelectric thermal sensing is also discussed.",

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AU - Chan, Wai Hung

AU - Xu, Zhengkui

AU - Zhai, Jiwei

AU - Chen, H. D.

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N2 - Pb0.97 La0.02 (Zr0.65 Sn0.22 Ti0.13) O3 ceramic was confirmed to be in an antiferroelectric (AFE) phase at T<170 °C by macroscopic and microscopic studies. The electric-field-induced ferroelectric (FE) state was found to exhibit a much longer lifetime than the reasonable laboratory measuring time scale at T<60 °C, which has led to the frequent misinterpretation of this material system as FE. The dc bias dependence of the dielectric and pyroelectric properties was studied as a function of temperature. The poled sample exhibited a low dissipation factor (tan δ∼0.03), a large transient pyroelectric coefficient of the order of 10-3 - 10-2 Cm-2 K-1, and excellent dc tunability at the FE-to-AFE transition temperature (39 °CkVmm). The possible application of this material to uncooled tunable pyroelectric thermal sensing is also discussed.

AB - Pb0.97 La0.02 (Zr0.65 Sn0.22 Ti0.13) O3 ceramic was confirmed to be in an antiferroelectric (AFE) phase at T<170 °C by macroscopic and microscopic studies. The electric-field-induced ferroelectric (FE) state was found to exhibit a much longer lifetime than the reasonable laboratory measuring time scale at T<60 °C, which has led to the frequent misinterpretation of this material system as FE. The dc bias dependence of the dielectric and pyroelectric properties was studied as a function of temperature. The poled sample exhibited a low dissipation factor (tan δ∼0.03), a large transient pyroelectric coefficient of the order of 10-3 - 10-2 Cm-2 K-1, and excellent dc tunability at the FE-to-AFE transition temperature (39 °CkVmm). The possible application of this material to uncooled tunable pyroelectric thermal sensing is also discussed.

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