Signatures of a Two‐Dimensional Ferromagnetic Electron Gas at the La0.7Sr0.3MnO3/SrTiO3 Interface Arising From Orbital Reconstruction

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 18 Oct 2014 Spain English Publisher:WileyJournal:Advanced Materials, volume 26, pages 7,516-7,520 (issn: 0935-9648, eissn: 1521-4095,

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Authors: Nemes, Norbert Marcel; Calderón, María José; Beltrán Fínez, Juan Ignacio; Bruno, Flavio Yair; García‐Barriocanal, Javier; Sefrioui Khamali, Zouhair; León Yebra, Carlos; +4 Authors

doi: 10.1002/adma.201402829

pmid: 25327446

handle: 20.500.14352/34700 , 20.500.14352/95731 , 10261/185637 , 10261/181820

Signatures of a Two‐Dimensional Ferromagnetic Electron Gas at the La0.7Sr0.3MnO3/SrTiO3 Interface Arising From Orbital Reconstruction

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Abstract

The magnetoresistance of La0.7Sr0.3MnO3/SrTiO3 superlattices with magnetic field rotating out-of-plane shows unexpected peaks for in-plane fields. Resistivity calculations with spin-orbit coupling reveal that orbital reconstruction at the manganite interface leads to a 2D ferromagnetic electron gas coupled antiparallel to the manganite "bulk". These orbital and magnetic reconstructions are supported by X-ray linear dichroism and ab initio calculations.

Country

Spain

Related Organizations

Spanish National Research Council
Spain
Complutense University of Madrid
Spain
Instituto de Ciencia de Materiales de Madrid
Spain

Keywords

Anisotropic Magnetoresistance, Superlattices, Magnetoresistance, Thin-Films, Thin films, Anisotropic magnetoresistance, Electrónica (Física), Transport, 2202.03 Electricidad, Oxides, 538.9, Surface, Order., 2DEG, 537, Manganites, Física del estado sólido, Order, Electrónica, Electricidad, Oxide interfaces, Uperlattices, 2211 Física del Estado Sólido

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