Change in the mechanism of conductivity in ZrO2-based crystals depending on the content of stabilizing Y2O3 additive

The interrelationship between the structure, phase composition, and transport characteristics of solid electrolytes based on ZrO 2 has been studied as dependent on the content of stabilizing Y 2 O 3 additive. It is established that twin boundaries do not lead to the appearance of additional mechanis...

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Bibliographic Details
Published in:Technical physics letters 2017-03, Vol.43 (3), p.289-292
Main Authors: Borik, M. A., Bredikhin, S. I., Bublik, V. T., Kulebyakin, A. V., Kuritsyna, I. E., Lomonova, E. E., Milovich, F. O., Myzina, V. A., Osiko, V. V., Seryakov, S. V., Tabachkova, N. Yu
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Physics
Physics and Astronomy
Twin boundaries
Yttrium oxide
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Summary:The interrelationship between the structure, phase composition, and transport characteristics of solid electrolytes based on ZrO 2 has been studied as dependent on the content of stabilizing Y 2 O 3 additive. It is established that twin boundaries do not lead to the appearance of additional mechanism of ionic conductivity acceleration in ZrO 2 –Y 2 O 3 crystals. The maximum conductivity has been observed in ZrO 2 –(8–10) mol % Y 2 O 3 crystals containing a t ” phase, in which oxygen atoms are displaced from high-symmetry positions characteristic of the cubic phase.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785017030166