Title

Atomic Motion On Various Surfaces Of Ceria Nanoparticles In Comparison

Abstract

Aberration corrected HRTEM has been successfully applied to image the atomic motion at the edges and surfaces of nanoparticles of ceria of various types under electron irradiation. Here we identify movements not only on {100} facets, but also on {110} and even {111} facets, previously considered stable. However, the degree of movement varies strongly and HRTEM is evidently the preferred technique to measure relative stability at high spatial resolution as it does not require extended surfaces as in scanning probe microscopy (SPM) or chemical methods. The advantage of aberration correction shows in suppression of contrast from the carbon support films and the absence of delocalisation fringes at particle edges, apart from improving point resolution.

Publication Date

1-1-2012

Publication Title

Journal of Physics: Conference Series

Volume

371

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1088/1742-6596/371/1/012007

Socpus ID

84865420882 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84865420882

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