Structural and electric properties of barium strontium titanate based ceramic composite as a humidity sensor

Shanming Ke; Haitao Huang; Huiqing Fan; H. L W Chan; Li Min Zhou

doi:10.1016/j.ssi.2007.12.014

Structural and electric properties of barium strontium titanate based ceramic composite as a humidity sensor

Shanming Ke, Haitao Huang, Huiqing Fan, H. L W Chan, Li Min Zhou

Research output: Journal article publication › Journal article › Academic research › peer-review

23 Citations (Scopus)

Abstract

Ba0.6Sr0.4TiO3-MgTiO3(BST-MT) composite ceramics were prepared by reaction of BST powders with molten MgCl2. The sintered composites exhibit a five orders of magnitude decrease in the dc resistivity as the relative humidity (RH) was increased from 5 to 92%. The ac conductivity of the samples obeys a power law at different temperatures within the frequency range of 10 Hz to 10 MHz.

Original language	English
Pages (from-to)	1632-1635
Number of pages	4
Journal	Solid State Ionics
Volume	179
Issue number	27-32
DOIs	https://doi.org/10.1016/j.ssi.2007.12.014
Publication status	Published - 30 Sept 2008

Keywords

BST
Conductivity
Ferroelectrics
Humidity sensor

ASJC Scopus subject areas

Electrochemistry
Physical and Theoretical Chemistry
Energy Engineering and Power Technology
Materials Chemistry
Condensed Matter Physics

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10.1016/j.ssi.2007.12.014

Cite this

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AU - Huang, Haitao

AU - Fan, Huiqing

AU - Chan, H. L W

AU - Zhou, Li Min

PY - 2008/9/30

Y1 - 2008/9/30

N2 - Ba0.6Sr0.4TiO3-MgTiO3(BST-MT) composite ceramics were prepared by reaction of BST powders with molten MgCl2. The sintered composites exhibit a five orders of magnitude decrease in the dc resistivity as the relative humidity (RH) was increased from 5 to 92%. The ac conductivity of the samples obeys a power law at different temperatures within the frequency range of 10 Hz to 10 MHz.

AB - Ba0.6Sr0.4TiO3-MgTiO3(BST-MT) composite ceramics were prepared by reaction of BST powders with molten MgCl2. The sintered composites exhibit a five orders of magnitude decrease in the dc resistivity as the relative humidity (RH) was increased from 5 to 92%. The ac conductivity of the samples obeys a power law at different temperatures within the frequency range of 10 Hz to 10 MHz.

KW - BST

KW - Conductivity

KW - Ferroelectrics

KW - Humidity sensor

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U2 - 10.1016/j.ssi.2007.12.014

DO - 10.1016/j.ssi.2007.12.014

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ER -

Structural and electric properties of barium strontium titanate based ceramic composite as a humidity sensor

Abstract

Keywords

ASJC Scopus subject areas

More information

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