Poling of multilayer Pb(Zr0.3Ti0.7)O3/PbTiO3 thin film for pyroelectric infrared sensor application

Ling Ling Sun; Ooi Kiang Tan; Wei Guo Liu; Wei Guang Zhu; Xi Yao

doi:10.1016/S1350-4495(02)00189-5

Poling of multilayer Pb(Zr_0.3Ti_0.7)O₃/PbTiO₃ thin film for pyroelectric infrared sensor application

Ling Ling Sun^*, Ooi Kiang Tan, Wei Guo Liu, Wei Guang Zhu, Xi Yao

^*Corresponding author for this work

Nanyang Technological University

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

23 Citations (Scopus)

Abstract

Poling of multilayer Pb(Zr_0.3Ti_0.7)O₃/PbTiO₃ thin films has been studied. Poling temperature and electrical field are optimised to achieve a high pyroelectric coefficient. The pyroelectric coefficient is found to saturate when a sufficient high poling electric field (∼350 kV/cm) is applied at room temperature. Further improvement of the pyroelectric properties is achieved with the increasing of poling temperature (up to 180 °C). Pyroelectric coefficient of the poled PZT/PT film (at 350 kV/cm, 180 °C) is measured using a modified Byer-Roundy method to be 250 μC/m²K. Compared with the pure Pb(Zr_0.3Ti_0.7)O₃ thin film, the multilayer PZT/PT thin film has a lower pyroelectric coefficient, however, its dielectric constant and dielectric loss are reduced. Thus the multilayer PZT/PT film has higher figures of merit for pyroelectric application.

Original language	English
Pages (from-to)	177-182
Number of pages	6
Journal	Infrared Physics and Technology
Volume	44
Issue number	3
DOIs	https://doi.org/10.1016/S1350-4495(02)00189-5
Publication status	Published - Jun 2003
Externally published	Yes

ASJC Scopus Subject Areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

Keywords

Lead zirconate titanate
Multilayer thin film
Poling
Pyroelectric

Access to Document

10.1016/S1350-4495(02)00189-5

Cite this

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title = "Poling of multilayer Pb(Zr0.3Ti0.7)O3/PbTiO3 thin film for pyroelectric infrared sensor application",

abstract = "Poling of multilayer Pb(Zr0.3Ti0.7)O3/PbTiO3 thin films has been studied. Poling temperature and electrical field are optimised to achieve a high pyroelectric coefficient. The pyroelectric coefficient is found to saturate when a sufficient high poling electric field (∼350 kV/cm) is applied at room temperature. Further improvement of the pyroelectric properties is achieved with the increasing of poling temperature (up to 180 °C). Pyroelectric coefficient of the poled PZT/PT film (at 350 kV/cm, 180 °C) is measured using a modified Byer-Roundy method to be 250 μC/m2K. Compared with the pure Pb(Zr0.3Ti0.7)O3 thin film, the multilayer PZT/PT thin film has a lower pyroelectric coefficient, however, its dielectric constant and dielectric loss are reduced. Thus the multilayer PZT/PT film has higher figures of merit for pyroelectric application.",

keywords = "Lead zirconate titanate, Multilayer thin film, Poling, Pyroelectric",

author = "Sun, {Ling Ling} and Tan, {Ooi Kiang} and Liu, {Wei Guo} and Zhu, {Wei Guang} and Xi Yao",

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AU - Sun, Ling Ling

AU - Tan, Ooi Kiang

AU - Liu, Wei Guo

AU - Zhu, Wei Guang

AU - Yao, Xi

PY - 2003/6

Y1 - 2003/6

N2 - Poling of multilayer Pb(Zr0.3Ti0.7)O3/PbTiO3 thin films has been studied. Poling temperature and electrical field are optimised to achieve a high pyroelectric coefficient. The pyroelectric coefficient is found to saturate when a sufficient high poling electric field (∼350 kV/cm) is applied at room temperature. Further improvement of the pyroelectric properties is achieved with the increasing of poling temperature (up to 180 °C). Pyroelectric coefficient of the poled PZT/PT film (at 350 kV/cm, 180 °C) is measured using a modified Byer-Roundy method to be 250 μC/m2K. Compared with the pure Pb(Zr0.3Ti0.7)O3 thin film, the multilayer PZT/PT thin film has a lower pyroelectric coefficient, however, its dielectric constant and dielectric loss are reduced. Thus the multilayer PZT/PT film has higher figures of merit for pyroelectric application.

AB - Poling of multilayer Pb(Zr0.3Ti0.7)O3/PbTiO3 thin films has been studied. Poling temperature and electrical field are optimised to achieve a high pyroelectric coefficient. The pyroelectric coefficient is found to saturate when a sufficient high poling electric field (∼350 kV/cm) is applied at room temperature. Further improvement of the pyroelectric properties is achieved with the increasing of poling temperature (up to 180 °C). Pyroelectric coefficient of the poled PZT/PT film (at 350 kV/cm, 180 °C) is measured using a modified Byer-Roundy method to be 250 μC/m2K. Compared with the pure Pb(Zr0.3Ti0.7)O3 thin film, the multilayer PZT/PT thin film has a lower pyroelectric coefficient, however, its dielectric constant and dielectric loss are reduced. Thus the multilayer PZT/PT film has higher figures of merit for pyroelectric application.

KW - Lead zirconate titanate

KW - Multilayer thin film

KW - Poling

KW - Pyroelectric

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