Speaker: Prof. Alberto Morpurgo (University of Geneva)
Title: An experimental tour through some of the unique properties of graphene
Date/Time: October 15th, Monday @ 15:40-16:30
Place: FENS, G032
Graphene –which has been discovered experimentally a few years ago- is the first material to be only one atom thick. Following its discovery, an extremely intense research effort has been devoted to this material, because of both its unique physical properties and the envisioned potential for practical applications in many different areas. In this talk I will give an overview of the field, to explain why this material is attracting so much interest, and to show how impressively fast this area of research is developing. On the material technology side, starting from the graphene layers used in the original experiments –only a few microns in size- technology has been established to implement roll-to-roll production of one-atom-thick graphene foils of square meter size. On the electronic properties side, many new observations have been made, ranging from the demonstration of the massless Dirac character of electrons, to the electrical control of materials band structure, using rather simple electronic devices. I will also briefly mention how research on graphene has stimulated new emerging directions, such as the field of topological insulators, and the realization of hybrid electronic structures in which atomically thick layers of different materials are combined together.
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