Dresden 2009 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 16: Correlated Electrons: Low-dimensional Systems - Materials 1

TT 16.9: Talk

Tuesday, March 24, 2009, 12:00–12:15, HSZ 304

The Two-Dimensional Electron Gas between LaAlO₃ and SrTiO₃: A Fascinating System for Electronic Devices — •Christoph Richter, Rainer Jany, Stefan Thiel, Christof Schneider, German Hammerl, and Jochen Mannhart — Experimental Physics VI, Center for Electronic Correlations and Magnetism, University of Augsburg, Universitätsstr. 1, D-86135 Augsburg, Germany

The conducting, two-dimensional electron gas that is formed at the interface between the band insulators LaAlO₃ and SrTiO₃ is characterized by remarkable fundamental properties and has therefore generated intense scientific interest. In the presentation we will demonstrate that this apparently fragile, ultrathin electronic system can be used to fabricate robust electronic devices.

We will report on field effect transistors that use the two- dimensional electron gas as drain source channel as well as on diodes with unique properties.