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Ultrafast diffusion at the onset of 2D growth: O/Ru(0001) and S/Ni(111)

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The mechanisms that underpin growth at surfaces are of increasing interest as 2D materials are explored for applications. Here, I present an experimental study of clustering dynamics observed during ultrafast surface motion, measured using helium-3 spin echo (HeSE) spectroscopy. I will discuss two systems that exhibit islanding phenomena, namely O/Ru(0001) and S/Ni(111); each is measured at high temperatures, corresponding to picosecond-timescale diffusion which has been inaccessible using past techniques

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This talk is part of the Physics and Chemistry of Solids Group series.

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