HREM of metallized {111} iron oxide nanoparticle surfaces.

被引：1

作者：

Lovely, G. R. ^{[1
]}

Brown, A. P. ^{[1
]}

Brydson, R. ^{[1
]}

Kirkland, A. I. ^{[2
]}

Meyer, R. ^{[2
]}

Chang, L. Y. ^{[2
]}

Jefferson, D. A. ^{[3
]}

Falke, M. ^{[4
]}

Bleloch, A. ^{[4
]}

机构：

[1] Univ Leeds, Inst Mat Res, Leeds LS2 9JT, W Yorkshire, England

[2] Univ Oxford, Dept Mat, Oxford OX1 3PH, England

[3] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England

[4] UK SuperSTEM Lab, Daresbury Lab, Warrington WA4 4AD, Cheshire, England

来源：

EMAG-NANO 2005: IMAGING, ANALYSIS AND FABRICATION ON THE NANOSCALE | 2006年 / 26卷

关键词：

D O I：

10.1088/1742-6596/26/1/045

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Mixed phase Fe3O4-gamma-Fe2O3 (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.

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页码：191 / +

页数：2

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