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Mechanism of dopant distribution: an example of nickel-doped ceria nanoparticles

Abstract:
The microstructure, geometry and accurate distribution of dopants in nickel-doped ceria nanoparticles prepared by spray pyrolysis were characterized. Nickel dopant concentration variation with the distance from the centre of the particle can be approximated as linear with a higher concentration of nickel found closer to the centre. It is suggested that the dopant distribution is mainly controlled by the difference in the diffusion rates of the precursors from the centre to the surface of the particle.
Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Materials
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Materials
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Materials
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Materials
Publisher:
Elsevier Publisher's website
Journal:
Scripta Materialia Journal website
Volume:
61
Issue:
8
Pages:
832-835
Publication date:
2009-10-05
DOI:
ISSN:
1359-6462
URN:
uuid:2d7dd746-3443-4e1d-9697-8ec09f6e76a8
Local pid:
ora:3400

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