Abstract
The behaviour of gold atoms that alloy into amorphous antimony (aSb) islands is studied by transmission electron microscopy (TEM), selected-area electron diffraction (SAED), and energy dispersive X-ray spectroscopy (EDS). In a first step, antimony thin films are produced by low-energy cluster beam deposition (LECBD). The antimony clusters (of diameter 5 nm, with 2300 atoms) are generated in a thermal source by the gas aggregation technique and deposited onto highly-oriented pyrolitic graphite (HOPG). For cluster submonolayer coverage (< 0.2 M.L.), the diffusion and interaction of clusters on substrate lead to the formation of amorphous ramified Sb islands, formed by the aggregation of spherical particles about 10 nm in diameter. In a second step, gold is vapour-deposited onto the aSb-HOPG substrate. The influence of gold atom deposition on the morphology of the islands is studied. Moreover, varying the gold thickness, we characterize the AuSb2 alloy formation.
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© 1999 Springer-Verlag Italia
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Besson, D. et al. (1999). AuSb2 alloy formation on HOPG by successive deposition of Sb clusters and Au atoms. In: Châtelain, A., Bonard, JM. (eds) The European Physical Journal D. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-88188-6_103
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DOI: https://doi.org/10.1007/978-3-642-88188-6_103
Publisher Name: Springer, Berlin, Heidelberg
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