Enhancement of Ionic Conductivity in La2Mo2O9-Based Nanocrystalline Films Synthesized by a PVP Assisted Sol-Gel Method

Zhong Zhuang; De Ming Zhang; Xian Ping Wang; Qian Feng Fang

doi:10.4028/www.scientific.net/MSF.663-665.633

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Enhancement of Ionic Conductivity in La₂Mo₂O₉-Based Nanocrystalline Films Synthesized by a PVP Assisted Sol-Gel Method
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HomeMaterials Science ForumMaterials Science Forum Vols. 663-665Enhancement of Ionic Conductivity in...

Enhancement of Ionic Conductivity in La₂Mo₂O₉-Based Nanocrystalline Films Synthesized by a PVP Assisted Sol-Gel Method

Abstract:

High-quality 5% W- and Gd-doped La2Mo2O9 nanocrystalline films were successfully synthesized on poly-alumina substrates via a PVP-assisted sol-gel method with inorganic salts as precursors, combined with the rapid thermal annealing and novel three stages annealing procedures. Dense and uniform La2Mo2O9-based films with 90 nm in grain size and 1 μm in thickness were obtained by only twice spin coatings and sintering at 600 oC. The electrical conductivity of the films at 600 oC reaches 0.028 and 0.025 S/cm for W- and Gd-doped samples, respectively.

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Materials Science Forum (Volumes 663-665)

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633-636

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.663-665.633

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Online since:

November 2010

Authors:

Zhong Zhuang, De Ming Zhang, Xian Ping Wang, Qian Feng Fang

Keywords:

Film, La₂Mo₂O₉, Oxide Ionic Conductor, Sol-Gel Method

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