Paper Title:
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.

  Info
Periodical
Materials Science Forum (Volumes 663-665)
Edited by
Yuan Ming Huang
Pages
633-636
DOI
10.4028/www.scientific.net/MSF.663-665.633
Citation
Z. Zhuang, D. M. Zhang, X. P. Wang, Q. F. Fang, "Enhancement of Ionic Conductivity in La2Mo2O9-Based Nanocrystalline Films Synthesized by a PVP Assisted Sol-Gel Method", Materials Science Forum, Vols. 663-665, pp. 633-636, 2011
Online since
November 2010
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