Electrical conductivity of alkaline-earth metal β-aluminas and their application to a CO2 gas sensor

G. He; T. Goto; T. Narushima; Y. Iguchi

doi:10.1016/S0167-2738(99)00063-6

Electrical conductivity of alkaline-earth metal β-aluminas and their application to a CO₂ gas sensor

G. He, T. Goto, T. Narushima, Y. Iguchi

Research output: Contribution to journal › Conference article › peer-review

12 Citations (Scopus)

Abstract

Sr and Baβ-aluminas in a single phase were synthesized in the MO-MgO-Al₂O₃ (M = Sr and Ba) system by a solid state sintering method. The electrical conductivity was measured at 873 to 1473 K by an AC impedance method. The total electrical conductivities of Srβ-alumina and Baβ-alumina were 1.2×10^-2 S m^-1 and 6.7×10^-4 S m^-1 at 1473 K, respectively. A CO₂ gas sensor using the Srβ-alumina was constructed. The sensor could be used at more than 1000 K.

Original language	English
Pages (from-to)	313-319
Number of pages	7
Journal	Solid State Ionics
Volume	121
Issue number	1
DOIs	https://doi.org/10.1016/S0167-2738(99)00063-6
Publication status	Published - 1999 Jun
Event	Proceedings of the 1997 11th International Conference on Solid State Ionics, SSI-97 - Honolulu, HI, USA Duration: 1997 Nov 16 → 1997 Nov 21

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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abstract = "Sr and Baβ-aluminas in a single phase were synthesized in the MO-MgO-Al2O3 (M = Sr and Ba) system by a solid state sintering method. The electrical conductivity was measured at 873 to 1473 K by an AC impedance method. The total electrical conductivities of Srβ-alumina and Baβ-alumina were 1.2×10-2 S m-1 and 6.7×10-4 S m-1 at 1473 K, respectively. A CO2 gas sensor using the Srβ-alumina was constructed. The sensor could be used at more than 1000 K.",

author = "G. He and T. Goto and T. Narushima and Y. Iguchi",

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AU - He, G.

AU - Goto, T.

AU - Narushima, T.

AU - Iguchi, Y.

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Y1 - 1999/6

N2 - Sr and Baβ-aluminas in a single phase were synthesized in the MO-MgO-Al2O3 (M = Sr and Ba) system by a solid state sintering method. The electrical conductivity was measured at 873 to 1473 K by an AC impedance method. The total electrical conductivities of Srβ-alumina and Baβ-alumina were 1.2×10-2 S m-1 and 6.7×10-4 S m-1 at 1473 K, respectively. A CO2 gas sensor using the Srβ-alumina was constructed. The sensor could be used at more than 1000 K.

AB - Sr and Baβ-aluminas in a single phase were synthesized in the MO-MgO-Al2O3 (M = Sr and Ba) system by a solid state sintering method. The electrical conductivity was measured at 873 to 1473 K by an AC impedance method. The total electrical conductivities of Srβ-alumina and Baβ-alumina were 1.2×10-2 S m-1 and 6.7×10-4 S m-1 at 1473 K, respectively. A CO2 gas sensor using the Srβ-alumina was constructed. The sensor could be used at more than 1000 K.

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T2 - Proceedings of the 1997 11th International Conference on Solid State Ionics, SSI-97

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