Induced magnetism at oxide interfaces

Jacobo Santamaria, Javier Garcia-Barriocanal, Zouhair Sefrioui, Carlos Leon

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations

Abstract

Interfaces between correlated oxides are attracting great interest. Electron correlations give rise to novel forms of couplings between electronic ground states at both sides of the interface. The bonding discontinuity at the interface between magnetic and nonmagnetic oxides is at the origin of a form of low dimensional magnetism in the otherwise nonmagnetic material. Its origin is the splitting of its bands due to the hybridization with the exchange split bands of the magnetic material. This induced magnetism could find interesting functionalities in devices with operation controlled by the interface such as tunnel or field effect devices of interest in spintronics.

Original languageEnglish (US)
Article number1330013
JournalInternational Journal of Modern Physics B
Volume27
Issue number19
DOIs
StatePublished - Jul 30 2013

Bibliographical note

Funding Information:
als Science Division, Argonne National Laboratory and Mike Fitzsimmons from Los Alamos National Laboratory for polarized neutron reflectometry experiments and collaboration and discussion. Agnes Barthelemy and Manuel Bibes from Unité Mixte de Physique CNRS/Thales for steady collaboration and discussions. The theory support and stimulating discussions with Satoshi Okamoto are also acknowledged. We acknowledge financial support by Spanish MICINN through grants MAT2011-27470-C02 and Consolider Ingenio 2010 CSD2009-00013 (Imagine), by CAM through grant S2009/MAT-1756 (PHAMA).

Keywords

  • Oxide interfaces
  • magnetism
  • superconductivity

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