Superconducting Interfaces Between Insulating Oxides-Reference-Cited by-同舟云学术

Superconducting Interfaces Between Insulating Oxides

Published:2007-08-31 Issue:5842 Volume:317 Page:1196-1199
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Reyren N.¹²³⁴,Thiel S.¹²³⁴,Caviglia A. D.¹²³⁴,Kourkoutis L. Fitting¹²³⁴,Hammerl G.¹²³⁴,Richter C.¹²³⁴,Schneider C. W.¹²³⁴,Kopp T.¹²³⁴,Rüetschi A.-S.¹²³⁴,Jaccard D.¹²³⁴,Gabay M.¹²³⁴,Muller D. A.¹²³⁴,Triscone J.-M.¹²³⁴,Mannhart J.¹²³⁴

Affiliation:

1. Département de Physique de la Matière Condensée, University of Geneva, 24 quai Ernest-Ansermet, 1211 Genève 4, Switzerland.

2. Experimental Physics VI, Center for Electronic Correlations and Magnetism, Institute of Physics, University of Augsburg, D-86135 Augsburg, Germany.

3. School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853, USA.

4. Laboratoire de Physique des Solides, Bat 510, Université Paris-Sud 11, Centre d'Orsay, 91405 Orsay, Cedex, France.

Abstract

At interfaces between complex oxides, electronic systems with unusual electronic properties can be generated. We report on superconductivity in the electron gas formed at the interface between two insulating dielectric perovskite oxides, LaAlO 3 and SrTiO 3 . The behavior of the electron gas is that of a two-dimensional superconductor, confined to a thin sheet at the interface. The superconducting transition temperature of ≅ 200 millikelvin provides a strict upper limit to the thickness of the superconducting layer of ≅ 10 nanometers.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference30 articles.

1. A high-mobility electron gas at the LaAlO3/SrTiO3 heterointerface

2. Why some interfaces cannot be sharp

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4. Charge localization or itineracy atLaAlO3∕SrTiO3interfaces: Hole polarons, oxygen vacancies, and mobile electrons

5. Tunable Quasi-Two-Dimensional Electron Gases in Oxide Heterostructures

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