Scientific article
Open access

Research Update: Conductivity and beyond at the LaAlO3/SrTiO3 interface

Published inAPL materials, vol. 4, no. 6, 060701
Publication date2016

In this review, we focus on the celebrated interface between two band insulators, LaAlO3 and SrTiO3, that was found to be conducting, superconducting, and to display a strong spin-orbit coupling. We discuss the formation of the 2-dimensional electron liquid at this interface, the particular electronic structure linked to the carrier confinement, the transport properties, and the signatures of magnetism. We then highlight distinctive characteristics of the superconducting regime, such as the electric field effect control of the carrier density, the unique tunability observed in this system, and the role of the electronic subband structure. Finally we compare the behavior of Tc versus 2D doping with the dome-like behavior of the 3D bulk superconductivity observed in doped SrTiO3. This comparison reveals surprising differences when the Tc behavior is analyzed in terms of the 3D carrier density for the interface and the bulk.

Research group
  • European Commission - Frontiers in Quantum Materials Control [319286]
Citation (ISO format)
GARIGLIO, Stefano, GABAY, M., TRISCONE, Jean-Marc. Research Update: Conductivity and beyond at the LaAlO<sub>3</sub>/SrTiO<sub>3</sub> interface. In: APL materials, 2016, vol. 4, n° 6, p. 060701. doi: 10.1063/1.4953822
Main files (1)
Article (Published version)
ISSN of the journal2166-532X

Technical informations

Creation08/18/2016 10:18:00 AM
First validation08/18/2016 10:18:00 AM
Update time03/15/2023 12:38:53 AM
Status update03/15/2023 12:38:53 AM
Last indexation01/16/2024 9:32:52 PM
All rights reserved by Archive ouverte UNIGE and the University of GenevaunigeBlack