<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Alumina and scandia doped zirconia was prepared through a soft chemistry synthesis route and sintered at 1873 K. X-ray diffraction patterns indicate a pure cubic phase for the composition of 0.88ZrO2-0.112Sc2O3-0.008Al2O3. Thin films were fabricated on Al2O3 〈0001〉 substrates using pulsed laser deposition technique. Dense films of 0.941 μm thickness were obtained at 873 and 1023 K substrate temperatures at an oxygen partial pressure of 15 Pa. The ionic conductivity of both thin film and sintered pellet was measured using ac impedance spectroscopy in air. The conductivity values are higher for thin films compared to that of sintered pellets.</p></abstract>

Alumina and scandia doped zirconia was prepared through a soft chemistry synthesis route and sintered at 1873 K. X-ray diffraction patterns indicate a pure cubic phase for the composition of 0.88ZrO2-0.112Sc2O3-0.008Al2O3. Thin films were fabricated on Al2O3 〈0001〉 substrates using pulsed laser deposition technique. Dense films of 0.941 μm thickness were obtained at 873 and 1023 K substrate temperatures at an oxygen partial pressure of 15 Pa. The ionic conductivity of both thin film and sintered pellet was measured using ac impedance spectroscopy in air. The conductivity values are higher for thin films compared to that of sintered pellets.

Preparation of cubic alumina and scandia doped zirconia and its thin film fabrication by pulsed laser deposition technique

College of Natural Sciences, Department of Physics, Hawassa University, Hawassa, Ethiopia

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Alumina and scandia doped zirconia was prepared through a soft chemistry synthesis route and sintered at 1873 K. X-ray diffraction patterns indicate a pure...

Preparation of cubic alumina and scandia doped zirconia and its thin film fabrication by pulsed laser deposition technique

Publié en ligne: 26 mars 2014

Pages: 45 - 49

DOI: https://doi.org/10.2478/s13536-013-0154-0

Mots clés
alumina and scandia doped zirconia, thin film, pulsed laser deposition, ionic conductivity

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Preparation of cubic alumina and scandia doped zirconia and its thin film fabrication by pulsed laser deposition technique

Publié en ligne: 26 mars 2014

Pages: 45 - 49

DOI: https://doi.org/10.2478/s13536-013-0154-0

Mots clésalumina and scandia doped zirconia, thin film, pulsed laser deposition, ionic conductivity

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
alumina and scandia doped zirconia, thin film, pulsed laser deposition, ionic conductivity