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Seymour, I. D.; Tarancón, A.; Chroneos, A.; Parfitt, D.; Kilner, J. A. and Grimes, R. W.
(2012).
DOI: https://doi.org/10.1016/j.ssi.2011.09.002
Abstract
Using classical molecular dynamics in conjunction with an established set of Born model potentials the oxygen ion diffusion mechanism and energetics in the double perovskite PrBaCo2O5.5 were investigated in the temperature range from 650 degrees C to 1000 degrees C. An anisotropic oxygen diffusion mechanism with diffusion occurring predominantly in the Pr-O and Co-O layers was observed. An activation energy of E-a = 0.35 eV was measured for the range of temperatures under study. The results are discussed in view of recent experimental and theoretical results of this and other compounds of the LnBaCo(2)O(5) (+) (delta). family.
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About
- Item ORO ID
- 35259
- Item Type
- Journal Item
- ISSN
- 0167-2738
- Academic Unit or School
-
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM) - Copyright Holders
- © 2012 Elsevier
- Depositing User
- Alexander Chroneos