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Emilio Artacho (CIC nanoGUNE Consolider and Cavendish Laboratory)
Wednesday 07 November 2012, 14:15-15:15
On the origin of 2D electron gases in oxide heterostructures and similar systems: the physics and the chemistry of it
- đ¤ Speaker: Emilio Artacho (CIC nanoGUNE Consolider and Cavendish Laboratory)
- đ Date & Time: Wednesday 07 November 2012, 14:15 - 15:15
- đ Venue: Department of Chemistry, Cambridge, Pfizer lecture theatre
Abstract
The appearance in 2004 of a two-dimensional electron gas buried at the interface between a strontium titanate substrate and a nanoscale film of lanthanum aluminate has given rise to quite an active research line at the frontier between physics (interesting properties of the gas, as coexisting magnetism and superconductivity), materials science (these gases can be connected to perovskites of very varied behaviours) and chemistry (the properties of these systems depend very sensitively on solid-state chemistry, e.g. oxygen vacancy concentrations in the materials). In this talk I will concentrate on the origin of the electron gas and, in particular, the connection of redox processes on the surface to the physics of the gas buried at the interface at the other side of the film.
Series This talk is part of the Theory - Chemistry Research Interest Group series.
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