Ionic Conductivities and Phase Transition of La2Mo2-xAlxO9-δ

Xiang Hu Li; Dan Li

doi:10.4028/www.scientific.net/AMM.160.391

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 160Ionic Conductivities and Phase Transition of...

Ionic Conductivities and Phase Transition of La₂Mo₂_-xAl_xO_9-δ

Abstract:

The influence of aluminum doping on the ionic conductivities and phase transition in the La2Mo2–xAlxO9-δ(x = 0.1, 0.2, 0.3) oxide-ion conductors has been investigated by XRD, DSC and dielectric relaxation measurements. The results indicate that the solubility of Al3+ in La2Mo2O9 sample is about 10mol%, Al3+ can not suppress the α/β phase transition in the La2Mo2O9, and the aluminum substituted La2Mo2O9 has a higher conductivity in whole temperature than that of pure La2Mo2O9.

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Periodical:

Applied Mechanics and Materials (Volume 160)

Pages:

391-394

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.160.391

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Online since:

March 2012

Authors:

Xiang Hu Li, Dan Li

Keywords:

Activation Energy, Conductivity, Dielectric Relaxation, La₂Mo₂O₉

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