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Surface Dynamics on Picosecond Timescales- Dr. Andrew Jardine

The dynamical behaviour of individual atoms and molecules on surfaces underpins a huge range of fundamental and technological processes. On the scale of individual atoms, events occur extremely quickly. For example, the characteristic period of vibration for an atom adsorbed onto a surface is about 1 ps. These 'atomic' scales mean is has traditionally been extremely difficult to follow the microscopic detail of surface transport. I will describe how new experimental techniques - in particular helium spin-echo - have made it possible to follow and understand a wide range of dynamical processes in this new and otherwise unstudied physical regime.
When Mar 08, 2012
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