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Nano-wires and islands - the structure of rare earth silicides on silicon surfaces

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The rare earth silicides offer potential advantages and novel structures over that of transition metal silicides at the interface with silicon. Several different structures of silicon-rich rare earth silicides are formed on single crystal silicon surfaces: on Si(100), nanowires and nanoislands are formed, while on Si(111), 2D silicides can be created. In this talk I will present and contrast detailed analysis of the structures of a number of rare earth silicides, on both Si(100) and Si(111), carried out using quantitative medium-energy ion scattering and scanning tunnelling microscopy.

This talk is part of the Surfaces, Microstructure and Fracture Group series.

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