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Observation of octahedral cation coordination on the {111} surfaces of iron oxide nanoparticles

Abstract:
High-resolution (scanning) transmission electron micrographs taken on both aberration corrected and uncorrected microscopes, and indirect reconstructed images of mixed phase magnetite-maghemite nanoparticles all show the presence of {111} facets that terminate with enhanced contrast. This enhanced contrast is shown to be a real effect caused by the presence of additional octahedrally coordinated iron cations occupying the {111} terminating layers of these nanoparticle surfaces. © 2006 American Institute of Physics.
Publication status:
Published

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Publisher copy:
10.1063/1.2175481

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Journal:
APPLIED PHYSICS LETTERS
Volume:
88
Issue:
9
Pages:
093124-093124
Publication date:
2006-02-27
DOI:
ISSN:
0003-6951
URN:
uuid:cbceb8af-71cf-4348-9602-212cc62a00b2
Source identifiers:
28836
Local pid:
pubs:28836
Language:
English

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