Sol-gel-derived pyroelectric barium strontium titanate thin films for infrared detector applications

J. G. Cheng; J. Tang; A. J. Zhang; X. J. Meng; J. H. Chu

doi:10.1007/s003390000577

Sol-gel-derived pyroelectric barium strontium titanate thin films for infrared detector applications

J. G. Cheng, J. Tang, A. J. Zhang, X. J. Meng, J. H. Chu

CAS - Shanghai Institute of Technical Physics

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

18 Scopus citations

Abstract

Quality pyroelectric Ba_0.8Sr_0.2TiO₃ films have been successfully fabricated by a sol-gel processing using a highly diluted precursor solution. The remnant polarization of the films decreases with the temperature increasing, which results in a large pyroelectric coefficient at room temperature. Infrared response measured using a 500-K chopped blackbody at room temperature exhibits a typical pyroelectric response waveform. Frequency dependence of the infrared response measurement for a pixel with area of 2.5×10^-3 cm² showed that the maximum response output voltage of 3.2 mV was obtained at 6 Hz. Better infrared response can be expected by the improvement in thermal isolation of the pixels and electrode materials.

Original language	English
Pages (from-to)	667-670
Number of pages	4
Journal	Applied Physics A: Materials Science and Processing
Volume	71
Issue number	6
DOIs	https://doi.org/10.1007/s003390000577
State	Published - Dec 2000
Externally published	Yes

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title = "Sol-gel-derived pyroelectric barium strontium titanate thin films for infrared detector applications",

abstract = "Quality pyroelectric Ba0.8Sr0.2TiO3 films have been successfully fabricated by a sol-gel processing using a highly diluted precursor solution. The remnant polarization of the films decreases with the temperature increasing, which results in a large pyroelectric coefficient at room temperature. Infrared response measured using a 500-K chopped blackbody at room temperature exhibits a typical pyroelectric response waveform. Frequency dependence of the infrared response measurement for a pixel with area of 2.5×10-3 cm2 showed that the maximum response output voltage of 3.2 mV was obtained at 6 Hz. Better infrared response can be expected by the improvement in thermal isolation of the pixels and electrode materials.",

author = "Cheng, \{J. G.\} and J. Tang and Zhang, \{A. J.\} and Meng, \{X. J.\} and Chu, \{J. H.\}",

year = "2000",

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AU - Cheng, J. G.

AU - Tang, J.

AU - Zhang, A. J.

AU - Meng, X. J.

AU - Chu, J. H.

PY - 2000/12

Y1 - 2000/12

N2 - Quality pyroelectric Ba0.8Sr0.2TiO3 films have been successfully fabricated by a sol-gel processing using a highly diluted precursor solution. The remnant polarization of the films decreases with the temperature increasing, which results in a large pyroelectric coefficient at room temperature. Infrared response measured using a 500-K chopped blackbody at room temperature exhibits a typical pyroelectric response waveform. Frequency dependence of the infrared response measurement for a pixel with area of 2.5×10-3 cm2 showed that the maximum response output voltage of 3.2 mV was obtained at 6 Hz. Better infrared response can be expected by the improvement in thermal isolation of the pixels and electrode materials.

AB - Quality pyroelectric Ba0.8Sr0.2TiO3 films have been successfully fabricated by a sol-gel processing using a highly diluted precursor solution. The remnant polarization of the films decreases with the temperature increasing, which results in a large pyroelectric coefficient at room temperature. Infrared response measured using a 500-K chopped blackbody at room temperature exhibits a typical pyroelectric response waveform. Frequency dependence of the infrared response measurement for a pixel with area of 2.5×10-3 cm2 showed that the maximum response output voltage of 3.2 mV was obtained at 6 Hz. Better infrared response can be expected by the improvement in thermal isolation of the pixels and electrode materials.

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JO - Applied Physics A: Materials Science and Processing

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IS - 6

ER -

Sol-gel-derived pyroelectric barium strontium titanate thin films for infrared detector applications

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