Journal of Materials Science

, Volume 44, Issue 8, pp 2021–2026 | Cite as

Microstructure and ionic conductivity of alternating-multilayer structured Gd-doped ceria and zirconia thin films

  • Yiguang WangEmail author
  • Linan An
  • L. V. Saraf
  • C. M. Wang
  • V. Shutthanandan
  • D. E. McCready
  • S. ThevuthasanEmail author


Multilayer thin film of Gd-doped ceria and zirconia have been grown by sputter-deposition on α-Al2O3 (0001) substrates. The films were characterized using X-ray diffraction (XRD), atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS), and transmission electron microscopy (TEM). The Gd-doped ceria and zirconia layers had the fluorite structure and are highly textured such that the (111) plane of the films parallel to the (0001) plane of the α-Al2O3. The epitaxial relationship can be written as \( ( 1 1 1)_{{{\text{ZrO}}_{ 2} /{\text{CeO}}_{ 2} }} //(000 1)_{{{\text{Al}}_{2} {\text{O}}_{3} }} \) and \( [ 1 1{-}2]_{{{\text{ZrO}}_{2} /{\text{CeO}}_{2} }} //[ - 2 1 10]_{{{\text{Al}}_{2} {\text{O}}_{3} }} \), respectively. The absence of Ce3+ features in the XPS spectra indicates that the Gd-doped ceria films are completely oxidized. The ionic conductivity of this structure shows great improvement as compared with that of the bulk crystalline material. This research provides insight on designing of material for low temperature electrolyte applications.


Ceria High Resolution Transmission Electron Microscopy High Resolution Transmission Electron Microscopy Yttria Stabilize Zirconia Rutherford Backscattering Spectrometry 



The research described in this paper was performed in the Environmental Molecular Sciences Laboratory, a national scientific user facility sponsored by the US Department of Energy’s Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory (PNNL), which is operated by Battelle for the DOE under Contract No. DE-AC06-76RLO-1830. Y. Wang would like to acknowledge the support of the physical and chemical fellowship of PNNL that enables this work was done.


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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Yiguang Wang
    • 1
    • 2
    Email author
  • Linan An
    • 2
  • L. V. Saraf
    • 3
  • C. M. Wang
    • 3
  • V. Shutthanandan
    • 3
  • D. E. McCready
    • 3
  • S. Thevuthasan
    • 3
    Email author
  1. 1.National Key Laboratory of Thermostructure Composite MaterialsNorthwestern Polytechnical UniversityXi’anChina
  2. 2.College of Engineering and Computer ScienceUniversity of Central FloridaOrlandoUSA
  3. 3.Enviornmental Molecular Sciences LaboratoryPacific Northwest National LaboratoryRichlandUSA

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