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Preferential nucleation of cobalt nanoclusters on the faceted rhenium (12¯31) surface
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Reyhan, Meral. Preferential nucleation of cobalt nanoclusters on the faceted rhenium (12¯31) surface. Retrieved from https://doi.org/doi:10.7282/T3MK6D9T

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Uniform TitlePreferential nucleation of cobalt nanoclusters on the faceted rhenium (12¯31) surface
NameReyhan, Meral (author); Madey, Theodore (chair); Bartynski, Robert (internal member); Ransome, Ronald (outside member); Rutgers University; Graduate School - New Brunswick
Date Created2007
Other Date2007 (degree)
SubjectPhysics and Astronomy, Nucleation, Rhenium, Nanostructured materials
Extentviii, 61 pages
DescriptionWe have studied the preferential nucleation of cobalt nanoclusters on oxidized faceted rhenium(12¯3 1) by means of Auger electron spectroscopy (AES), low energy electron diffraction (LEED), and scanning tunneling microscopy (STM). Preferential nucleation means that the Co nanoclusters form at specific sites on the substrate. In contrast to previous nanostructure studies of preferential nanocluster nucleation in metal on metal experiments, we use a surface that is both oxidized and faceted to form a nanotemplate. It is shown that for cobalt coverage between 1.6 ML and 3 ML, preferential nucleation of cobalt nanoclusters occurs on this faceted surface. It is also shown that by varying the parameters of cobalt coverage, facet width and annealing temperature, the cobalt nanocluster size can be varied. The cobalt nanocluster system may prove to be a model system for future studies of different substrates and overlayers more relevant to catalytic reactions.
NoteM.S.
NoteIncludes bibliographical references (p. 56-57).
Genretheses, ETD graduate
Persistent URLhttps://doi.org/doi:10.7282/T3MK6D9T
LanguageEnglish
CollectionGraduate School - New Brunswick Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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