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The Grain Boundary Conduction Property of Highly Dense and Nanostructured Yttrium-Doped Zirconia
- Authors
- Park, Hee Jung; Choa, Yong Ho
- Issue Date
- Mar-2010
- Publisher
- Electrochemical Society, Inc.
- Keywords
- ceramics; grain boundary diffusion; ionic conductivity; nanostructured materials; solid electrolytes; yttrium compounds; zirconium compounds
- Citation
- Electrochemical and Solid-State Letters, v.13, no.5, pp.K49 - K52
- Indexed
- SCIE
SCOPUS
- Journal Title
- Electrochemical and Solid-State Letters
- Volume
- 13
- Number
- 5
- Start Page
- K49
- End Page
- K52
- ISSN
- 1099-0062
- Abstract
- We investigated oxygen ionic conduction in fully dense, transparent polycrystalline yttrium-doped zirconia with an average grain size of similar to 45 nm. We observed that the oxygen ionic conductivity across single grain boundaries in the nanostructured ceramic is 1 order of magnitude greater than that of the corresponding microstructured ceramic. Such an enhancement in the grain boundary is attributed to the high density of the sample.
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