Two-Dimensional Electron Gases at Complex Oxide Interfaces

Author:

Stemmer Susanne1,James Allen S.2

Affiliation:

1. Materials Department, University of California, Santa Barbara, California 93106-5050;

2. Department of Physics, University of California, Santa Barbara, California 93106-9530;

Abstract

Two-dimensional electron gases (2DEGs) at oxide interfaces may exhibit unique properties, including effects from strong electron correlations, extremely high electron densities, magnetism, and 2D superconductivity. This article discusses routes to high-mobility 2DEGs in complex oxide heterostructures, with a particular focus on 2DEGs that involve transport in SrTiO3. We discuss what is known about the electronic states in SrTiO3 2DEGs, both experimentally and theoretically. Examples from the current literature are summarized.

Publisher

Annual Reviews

Subject

General Materials Science

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