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

G. R. Lovely, A. P. Brown, R. Brydson, A. I. Kirkland, R. R. Meyer, L. Chang, D. A. Jefferson, M. Falke, A. Bleloch

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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.

Original languageEnglish (US)
Article number093124
JournalApplied Physics Letters
Volume88
Issue number9
DOIs
StatePublished - Feb 27 2006

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Lovely, G. R., Brown, A. P., Brydson, R., Kirkland, A. I., Meyer, R. R., Chang, L., Jefferson, D. A., Falke, M., & Bleloch, A. (2006). Observation of octahedral cation coordination on the {111} surfaces of iron oxide nanoparticles. Applied Physics Letters, 88(9), [093124]. https://doi.org/10.1063/1.2175481