Reducibility of La2Mo2-XGaxO9-δ Oxide-Ion Conductors

Dan Li; Xiang Hu Li

doi:10.4028/www.scientific.net/AMR.507.65

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 507Reducibility of La2Mo2-XGaxO9-δ Oxide-Ion...

Reducibility of La₂Mo_2-XGa_xO_9-δ Oxide-Ion Conductors

Abstract:

In this paper, the ceramic samples of La₂Mo₂O₉ and La₂Mo_2-xGa_xO _9-δ(x=0.1,0.2)were prepared by conventional solid-state reaction method. The reducibility of pure La2Mo2O9 and La₂Mo_2-xGa_xO _9-δ(x=0.1,0.2) samples were studied in the reducing atmosphere of 5%H2+Ar by means of impedance spectroscopy measurement. For the La₂Mo_2-xGa_xO_9-δ(x=0.1,0.2) the difference between the conductivity in the reducing atmosphere and the one in air is small, indicating that partial substitution of Ga for Mo is effective to improve the reducibility of La₂Mo_2-xGa_xO_9-δ(x=0.1,0.2).

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Periodical:

Advanced Materials Research (Volume 507)

Pages:

65-68

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.507.65

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Online since:

April 2012

Authors:

Dan Li, Xiang Hu Li

Keywords:

Conductivity, La₂Mo₂O₉, Oxide-Ion Conductor, Reducibility

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