HREM of metallized {111} iron oxide nanoparticle surfaces

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

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Mixed phase Fe3O4 - γ-Fe2O 3 (magnetite-maghemite) nanoparticles have been fabricated by colloidal routes. HR(S)TEM images, taken on both aberration corrected and uncorrected (S)TEMs, and indirect reconstruction of images of the nanoparticles show the presence of {111} facets that terminate with enhanced contrast. This extra contrast is shown to be real and is due to additional octahedral cations occupying the {111} surfaces.

Original languageEnglish (US)
Pages (from-to)191-194
Number of pages4
JournalJournal of Physics: Conference Series
Volume26
Issue number1
DOIs
StatePublished - Jan 1 2006

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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