title: Oxide nanoelectronics on demand.
abstract: Electronic confinement at nanoscale dimensions remains a central means of science and technology. We demonstrate nanoscale lateral confinement of a quasi-two-dimensional electron gas at a lanthanum aluminate-strontium titanate interface. Control of this confinement using an atomic force microscope lithography technique enabled us to create tunnel junctions and field-effect transistors with characteristic dimensions as small as 2 nanometers. These electronic devices can be modified or erased without the need for complex lithographic procedures. Our on-demand nanoelectronics fabrication platform has the potential for widespread technological application.
authors.affiliation: Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA 15260, USA.
authors.forename: Cheng
authors.initials: C
authors.lastname: Cen
authors.forename: Stefan
authors.initials: S
authors.lastname: Thiel
authors.forename: Jochen
authors.initials: J
authors.lastname: Mannhart
authors.forename: Jeremy
authors.initials: J
authors.lastname: Levy