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Probing surface structure and interactions of ionic liquids

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Ionic liquids (ILs) are composed of molecular ions, held together by a strong Coulomb potential. They have ultra-low vapour pressures at room temperature allowing them to be studied using ultra-high vacuum (UHV) surface science techniques. Here I will discuss the adsorption, desorption and reaction of ILs on solid surfaces. Our results indicate that the IL is able to re-order on the surface. I will also discuss the development of a technique called Variable Period X-ray Standing Wave (VPXSW) which can determine the position of atoms in thick layers of material on a reflective surface.

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

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